Honda “Check Engine” Light: What Could Be the Problem?

Updated on January 27, 2019
eddiecarrara profile image

Eddie spent 35 years in the automotive business with Honda. He is an ASE Certified Master Technician and has bruised knuckles to prove it.

Your “Check Engine” light comes on when your car’s onboard computer (or PCM, Powertrain Control Module) records some kind of problem. This onboard computer runs your car so that it has optimum fuel economy and low emissions. The PCM creates a code indicating what part or system is malfuntioning (electrical system, oxygen sensors, and so on). Your tech can get the code from the vehicle and look up its meaning.

In the meantime, you’re probably wondering: what are the possibilities? Is there something going on in your car or in your life that triggered this “check engine” situation? Where should a mechanic start looking to find the problem?

10 Questions to Ask If Your "Check Engine” Light Comes On:

1. Has your car been in the shop for service recently?

2. Have you fueled your car recently?

3. Did you possibly overfill your fuel tank?

4. Have you installed any new electronic devices recently?

5. Did your “check engine” light come on after driving through a deep puddle?

6. Do you have excessive humidity in your car caused by a water leak?

7. Do you live in a rural area where there are lots of critters?

8. Are other warning lights illuminated on the dash?

9. Did your car sit for a long period of time without anyone driving it?

10. Were you the last one to drive your car?

And Two Bonus Questions:

1. Is the car running normally?

2. Is the "check engine" light flashing?

What Light Are We Talking About?

Don’t confuse your "check engine" light with your maintenance reminder (a light that goes on automatically to remind you it’s time for a routine service). If you’re not sure, check the index in your owner’s manual, under “warning lights.”

"Check engine" light:  at left, with a yellow engine-shaped icon (2011 Honda Pilot)
"Check engine" light: at left, with a yellow engine-shaped icon (2011 Honda Pilot)
This small yellow light (labeled "maintenance indicator") is not the "check engine" light (1991 Honda Accord)
This small yellow light (labeled "maintenance indicator") is not the "check engine" light (1991 Honda Accord) | Source

Should You Panic? Ask Your Two Bonus Questions First

Bonus question 1. Is the car running normally? If your car is running normally, and you have no problem driving it, the problem is not so severe that you need to panic. Of course you should not ignore the light; it is warning you of some problem with the emissions system. When the light is on, your car runs on default parameters, not optimized to reduce emissions and increase mileage, and so you won’t get the gas mileage the car is designed to get. Just call your mechanic or dealer to make an appointment within a reasonable amount of time.

Bonus question 2. Is the "check engine" light flashing? If it's flashing, it means you have a serious problem and you really should not be driving your car. It's flashing because it's saying “STOP!!! Hey Look At Me!!!” It’s saying your catalytic converter is being damaged. It’s probably a good idea to call a tow truck at this point; you don’t want to add to the cost of any repairs that are going to be needed.

Now a Closer Look At Each of the 10 Questions

1. Has your car been serviced recently?

If your car has been in the shop recently for service, it’s quite possible the technician has caused your "check engine" light problem. Sometimes a technician will forget to reinstall a connector to a sensor, or not snap the connector back together completely. Or he or she may knock a connector loose while doing a minor service.

On older Hondas, the oxygen sensor is directly below the oil filter, so a technician removing the oil filter for a routine oil change might spill oil onto the oxygen sensor. It’s just possible, though not common, that a technician wiping oil off the sensor damaged it somehow.

On this 1991 Honda Accord, you can see how the oxygen sensor (little rat-tailed item) is located directly below the oil filter. You can imagine how easy it is to dump oil on it.
On this 1991 Honda Accord, you can see how the oxygen sensor (little rat-tailed item) is located directly below the oil filter. You can imagine how easy it is to dump oil on it. | Source

2. Have you fueled your car recently?

If you didn’t tighten the fuel cap enough (or forgot to put it on altogether!), this could cause your "check engine" light to come on. All Honda fuel caps have a ratcheting device built into the cap to achieve a good seal and keep you from over-tightening the cap. When tightening your fuel cap, be sure to turn it enough to hear at least three clicks; that ensures the proper torque was applied. If your check engine light is on, simply check your fuel cap to make sure it is turned three clicks.

3. Did you possibly overfill your fuel tank?

If you’re one of those people who like to top off the fuel tank, you need to break that habit, especially if you own a newer Honda. When the gas pump shuts off automatically, the tank is as full as it needs to be. To keep gasoline fumes out of the atmosphere, modern United States cars are required to trap the fumes and recycle them into the engine to be burned. Overfilling the tank can spill fuel into into tiny vacuum lines and filters, which in turn can clog emission devices (like the "evap canister" being replaced in the three do-it-yourself videos at the end of this article). Soaking these devices in gasoline will cause the "check engine" light to come on. Replacing the damaged parts could be costly, but the time spent diagnosing the problem could be even costlier.

4. Have you installed any new electronic devices lately, or had them installed by a professional?

Everyone likes all the new gadgets available for cars these days, like back-up cameras, thunder-booming stereos, remote car starters, high-intensity-discharge headlights, and rear entertainment systems, to name a few. It’s just possible that the person installing your device may have blown a fuse, or worse, may have tapped into the wrong wire and caused that dang "check engine" light to come on again.

Check to see that all electronics in the vehicle are working properly (e.g. dash light, 12-volt power supply, interior lights). If everything is working properly, I would either test all the fuses (using a test light or a voltage meter is the fastest way to do that) or return the vehicle to the person who did the work.

5. Did your "check engine" light come on after driving through a deep puddle?

This isn’t common but it does happen. After driving for a while on the highway, your exhaust can get extremely hot; if you then happen to drive through a deep puddle, it is possible for water to cool the oxygen sensor too quickly and crack the material inside the sensor. The oxygen sensor is located under the vehicle, usually in or near the catalytic converter where the temperature can exceed 600 degrees. If this sounds like your scenario, take your car to the dealer or your local mechanic.

You can see both oxygen sensors, front and rear, one in the front pipe before the catalytic converter and the other is in the center of the catalytic converter. If you hit a puddle deep enough, you could actually submerge the sensors.
You can see both oxygen sensors, front and rear, one in the front pipe before the catalytic converter and the other is in the center of the catalytic converter. If you hit a puddle deep enough, you could actually submerge the sensors. | Source

What Is an Oxygen Sensor?

6. Do you have excessive humidity in your car caused by a water leak?

Water on the front or back carpet in your car will often be coming from the front of the car somewhere; water flows towards the back because of acceleration, and because the floor is tapered towards the rear of the vehicle. If the water is only visible on the rear carpet, the leak may be in the rear of the vehicle.

The most common cause of a water leak is the windshield; sometimes a newly replaced windshield will leak.

If a leaky windshield drips water on an ECU (Engine Control Unit) fuse box or any other control unit, this willl cause a ECU failure and your “check engine” light will come on. Water is very damaging to all electronic devices (just drop your smart phone in water and see what happens).

7. Do you live in a rural area where there are lots of critters?

Critters can cause all sorts of problems in cars, from horrible smells to chewed wires. If you live or work in an area where mice, rats, chipmunks. or squirrels can get into your car, they can wreak havoc on your cars’ electrical systems. Given the chance, critters will build nests and store food for the winter, and for some reason they like to chew wires. In fact, some car manufacturers assemble wire harnesses wrapped with mouse-deterrent tape, no kidding. It’s not completely effective but it’s a start. If a critter chews the right wires in your vehicle, it will cause the “check engine” light to come on, and an expensive bill! Replacing a wire harness is daunting and time-consuming.

Signs of critters in your vehicle are:

  • bad odors
  • acorns and nuts (or dry dog food) stored in the engine compartment or glove box
  • chewed carpeting
  • loud noises when the heating or air conditioning fans come on. Critters are notorious for building nests inside blower motor assemblies, causing all kinds of problems.

Rodent deterrent tape for wire harnesses
Rodent deterrent tape for wire harnesses | Source

Check Engine Light on Clogged Catalytic Converter

8. Are other warning lights illuminated on the dash?

In some cases, a failure in another part or system can cause your "check engine" light to come on. Multiple warning lights illuminated on the dash don't necessarily mean multiple problems, so don't panic. The lights could all be caused by a single problem: For example, if your alternator is not charging, or if it’s over-charging, it could cause low or high voltage in the system, which would cause many lights to come on.

9. Did your car sit for a long time without anyone driving it?

Cars that sit for a long period of time are susceptible to a plethora of problems. Critters move in, batteries go dead, tires go flat, brake rotors become rusted and cause a pulsation when applying the brakes, pulleys rust and cause belts to squeak, and the list goes on. If you car sat for a while, your "check engine" light could come on because a sensor or solenoid is stuck, or for other reasons. Have it checked out by an honest mechanic; they are out there, you just have to find them.

10. Were you the last one to drive your car?

If you were not the last one to drive your car and the "check engine" light is on, you need to start asking questions. Sometimes family members or friends who borrow your car spill soda or coffee on the console without telling you. On some Hondas, the ECM/PCM (engine control unit/powertrain control unit) is located below the center of the console, and sugary drinks can destroy this expensive control unit.

Write Down the Code

If you have a buddy, friend, uncle, or cuz that can check the code because they have a scan tool, make sure you write down the code, because if you decide to erase it, you’ll want to know what it was when the light comes back on (and if it’s an issue other than a loose gas cap, the problem will usually come back). It’s good practice for you, and good information to give your mechanic.

Check Engine Light P0303 Cause

Buying a Scan Tool to Interpret "Check Engine" Codes

If you want to try and diagnose the problem yourself, you will need to figure out with the diagnostic code is telling you. Here is a guide to understanding the codes.

You will also need a scan tool. If you decide to buy on, choose one that will last for years. Vehicles are only getting more sophisticated each year, so plan for the future. The OBD2 system covers 1996 and later cars (the OBD1 system that covers older ones may be included, depending on the device). I recommend looking for these four time- and money-saving features:

  1. A display that includes a description of the cause of the warning light, as well as the code. This saves you time from having to look up the description that goes with the numerical code in a book or on the computer.
  2. LED display for state emissions readiness check and drive cycle verification. This feature will let you know if it will pass an emissions test.
  3. Battery backup that will keep the code in the device after you disconnect the scan tool, so you can review it and analyze it away from the car (even if you forgot to write down the code)
  4. A USB cable to update the information in your scan tool from your own computer. If you can't update the scan tool, it will be obsolete in three years.

INNOVA 3040 Diagnostic Scan Tool/Code Reader with Live Data for OBD2 Vehicles
INNOVA 3040 Diagnostic Scan Tool/Code Reader with Live Data for OBD2 Vehicles

The Innova 3040 scan tool has the features above and more, and should last for years.

 

DIY Repairs to Fix Evap-Canister-Related "Check Engine" Codes

I Have a Favor to Ask

Leave me a comment or a question, don’t be shy. I just might have the answer you’re looking for.

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This article is accurate and true to the best of the author’s knowledge. Content is for informational or entertainment purposes only and does not substitute for personal counsel or professional advice in business, financial, legal, or technical matters.

Questions & Answers

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    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      6 days ago from New Hampshire

      Hi Emma,

      Check your oil level, you may be very low on oil and the V-tec will not work causing a lack of power and a lot of noise on startup. Keep me posted on what you find, thanks.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      6 days ago from New Hampshire

      Hi Harvester Jones,

      I recommend you check your EGR and EGR ports. I made this video on a 1998 civic but you may have a similar problem. Let me know what you think.https://youtu.be/L73GB_I3YAw

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      6 days ago from New Hampshire

      Hi Dawn,

      If the code is a p0301- p0304 it's possible you'll need to have the piston rings changed under warranty, Honda has a service bulletin for a misfire and on some vehicles the warranty is 10 years unlimited mileage, you just need to find a Honda dealership that will be honest enough to explain this to you :)

    • profile image

      DawnCockrell 

      8 days ago

      I have a 2011 Honda Pilot Touring. I've experienced a "shudder" between 1st and 2nd occasionally for a while but nothing too serious. Yesterday the check engine light came on and Check Transmission on the screen with no code. The check transmission is gone but the engine light is still on. D is NOT flashing. Thoughts?

    • profile image

      Harvester Jones 

      10 days ago

      Hello -

      I have a 2004 Civic. The check engine light has started coming on and going off intermittently since last year. It is a steady light when it comes on. I noticed whenever the light is on, the car idles higher, runs rougher than usual, and is slightly more sluggish on acceleration. But then it goes off again. It has come on again after a recent timing belt/tensioner change and I know it's something serious, but I just scraped up the money for a timing belt/tensioner change so I'm not looking forward to the answer :(

      Like other people have said, my light does come on occasionally after filling the tank. I suspect it's something in the exhaust system. Had plugs replaced last year too. Thanks in advance for your helpful comments!

    • profile image

      Emma 

      11 days ago

      Hello,

      We have a 2003 Honda CR-V. Yesterday the car drove fine and parked after work. This morning it started up to a very loud engine sound, solid check engine light and no driving power. This may be unrelated, but for the last week before this incident I’ve noticed the AC never gets cool.

      Any thoughts on what could be causing these symptoms and also, is it something for which I should hire a to truck to haul to mechanic?

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      2 weeks ago from New Hampshire

      Hi Sam,

      It may come back on, if so you'll need to have the code checked.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      2 weeks ago from New Hampshire

      Hi Larry,

      That is odd! I recommend you check all your fuses with a test light (to speed things up) The green key is the immobilizer telling you the key is not programmed. Are you sure you didn't bypass the alternator? I know, silly question but this is really weird!

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      2 weeks ago from New Hampshire

      Hi Tolu,

      Try driving it for a few days and see if the light goes off. If it stays on, have the code checked, it could be something altogether :) Let me know how you make out, thanks.

    • profile image

      Tolu 

      3 weeks ago

      Hi Eddie, i will sadly admit i am one of those who overfill their vehicle at the gas station, and right now i have my check engine light on and after reading this i have a good idea why that is because of the overfilling, now my question is is my car canister damaged and will be needing change for this act or will the check engine light turn off automatically over time ?

    • profile image

      Larry 

      3 weeks ago

      I was backing up my Honda 2004 civic XL in smoke came out my Hood car was acting funny pulled back in the driveway shut car off open the Hood seen belt burnt AC pulley was frozen Put new belt on Bypassing the ac check engine light came on and Green key light was flashing no rpm reading no temperature reading Car running with little power I’m guessing people call it limp mode.

    • profile image

      Sam Gujadhur 

      3 weeks ago

      My Honda Accord 2008 2.4 engine light came on and the car was driving fine and then took out the battery terminal and engine light goes away

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      5 weeks ago from New Hampshire

      Hi Sam,

      A mechanic can test the O2 sensors at the Honda dealership or just a really good mechanic. The problem is you have 4 O2 sensors and 2 catalytic converters and a lot of times the O2 sensors are stuck in the catalytic converter and get damaged while trying to remove them (in my part of the country NH). If you live in the southern part of the US you'll have a lot fewer problems. The first thing to do is to find a really good mechanic.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      5 weeks ago from New Hampshire

      Hi Bertha,

      If the engine is running good and the light doesn't go off after 3 days, I recommend you get it checked by a reputable mechanic.

    • profile image

      Bertha 

      5 weeks ago

      Light check engine light comes on hit a bump last night in the light jumped on

    • profile image

      SAM 

      5 weeks ago

      Hi, my engine light on my 2009 Honda Pilot went on code says front Catalytic Converter is the problem. However, an emissions person asked if the Dealer had first tested my Oxygen Sensors to determine if it's truly the Catalytic Converter despite the code that fired. I know for a fact they did not check, what should I do? Do I have a mechanic check the Oxygen Sensors and replace or just get the Catalytic Converter replaced. I'm a single woman and finances are tight so want to be smart on how to approach and limit unnecessary costs if any. Your expert guidance would be appreciated.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      6 weeks ago from New Hampshire

      Hi Jose,

      No, as long as your oil level is ok the engine should be fine, you probably overheated the catalytic converter and the O2 sensor tripped a code. Drive it for about 3 days and see if the light goes out.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      6 weeks ago from New Hampshire

      Hi Mo,

      you should be able to turn the temp knob to lower the temperature, no? Try pulling the fuse for the HVAC system, it may reset itself.

    • profile image

      Mo 

      6 weeks ago

      I reset the check engine light by unplug battery’s wire and the light gone.

      Now i got another problem. the heater blows out hot air even when it's turned off!

      Thanks

    • profile image

      Jose a medina 

      6 weeks ago

      I was driving and my music was up so I didn’t realize I was still in 3rd gear for about 2 miles when I realized it I shifted into normal gear for speed but my check engine light came on. I pulled over to listen to the engine and I heard nothing new that my car already makes. My question is this since is was at 4000 rpm for a couple of miles did I really damage something

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      7 weeks ago from New Hampshire

      Hi Liam,

      Could be a lot of things. Is the engine running ok? Any rough idle or skipping?

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      7 weeks ago from New Hampshire

      You're welcome Loud

    • profile image

      Loud 

      7 weeks ago

      Very helpful log thanks for posting this.

    • profile image

      Liam 

      7 weeks ago

      I was driving just finished overtaking...shortly after check engine light came on...spark plug?

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      7 weeks ago from New Hampshire

      Hi Mo,

      The check engine light came on because you have an emissions problem, not because you hit a button on the dash. Have someone read the code and it will point you in the direction of the problem.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      7 weeks ago from New Hampshire

      Hi Jane,

      If all this happened after driving through large puddles, it's possible you blew a fuse and it's causing all your problems. Hopefully, that's all it is.

    • profile image

      Jane 

      7 weeks ago

      Thank you. The check engine light came on during a real gully washer, drove through deep and fast flowing puddles with almost no viability the rain fell so hard. I have an appointment with the mechanic tomorrow, but i hope it turns off by itself. It may have been the puddle driving. Sadly it was hit earlier today, and thats when i discovered that the a.c. blows hot. Now what? Thank you for your help!

    • profile image

      Mo 

      8 weeks ago

      Hi

      I was driving on highway my climate control panel stopped ( that’s usually happen sometimes works sometimes doesn’t) then kept press on the buttons then I turned off the fun suddenly check engine came on.

      Or maybe I speed up that’s the reason.

      Thank you

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      2 months ago from New Hampshire

      Hi Stan,

      A common problem is the main relay located near the steering column. If you turn the key to the run position (all dash lights on, check engine light comes on) You should hear a slight hum from the fuel pump for about 3 seconds and then stop. If you don't hear this hum either the pump has failed, the fuse is blown, or the main relay is no good. Hope this helps.

    • profile image

      Stan 

      2 months ago

      My 1994 honda accord will turn over but the fuel pump want kick on when i turn the switch on so it want start the check engine light is staying on when i engage the switch what should i try to do already jumped the p lug under the passenger side dash

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      2 months ago from New Hampshire

      Hi Honey,

      tighten the gas cap with three clicks and drive the vehicle for 3 days, if the light doesn't go out bring it back to the dealership, it's under warranty :)

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      2 months ago from New Hampshire

      Hi Katerina,

      98 Civics have common problems with the distributor base bearing wearing out, the ignitor, and the main relay. If the distributor has orange dust inside the distributor cap, the distributor base is no good, the ignitor and main relay are both electronic and need to be tested one the failure happens.

    • profile image

      Honey 

      2 months ago

      I just had my brand new 2019 Honda Civic EX for 2 weeks now. Car seems to run normally. Although a light indicator saying, "emission system problem" had turned on. I had just gas my car and it went up to half tank. But I noticed the indicator light a few minutes after I left the gas station. I had checked to see if my gas tank is closed properly and it is. But indicator light is still turned on.

    • profile image

      Katerina 

      2 months ago

      I have one honda civic 1998. It's been now over 9 months my check engine light is on. The car has been to the mechanic. He put the manual and wrote that error 006. He didn't do anything he just reset the buttom. And now is on again. This is not the only problem. When the car is on move for a while and when I want to start it again I can't. It's straggleling and smells gas. It needs some time to start. He change the coil. Nothing. He change onother one thing but nothing.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      3 months ago from New Hampshire

      Hi Sanjay,

      The alignment has nothing to do with the light. You'll need to have the codes pulled so you know what system is failing and causing the light to come on. Let me know what the code is when you get it.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      3 months ago from New Hampshire

      Hi Ellie,

      If I knew the code it would help. You have a recall on your Honda for piston rings, if the code is P0304, go to the Honda dealer next time the light comes on and tell them you know there is a recall for the issue and you would like to get it fixed. It takes a couple of days to do the repair and they should give you a loaner vehicle while they fix your vehicle. If the dealer won't help you out, call American Honda customer relations and they will guide you :)

    • profile image

      Ellie 

      3 months ago

      I was driving slow under twenty when my check engine light came on. I have a 2013 Honda Pilot ex -L. I took it to have the code diagnostics done. It is a 4 cylinder code so my eco gas saving mode won’t turn on is what the mechanic said. He turned off the light but after three days it turns back on. The next mechanic said the same however no one fixes it. How do i turn that code off and fix the issue.

    • profile image

      Sanjay K 

      3 months ago

      I have a Honda CRV 2009. The car is running fine without issues. I noticed that after a wheel alignment, the check engine light goes on for 3-4 days and is turned off automatically. It then turns on again after 2-3 days and stays lit for 3-4 days and it is happening for past few months.

      What could be possible cause an course of action i should take?

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      3 months ago from New Hampshire

      Hi Rachel,

      I recommend you check the area where the mechanic was working to be sure they didn't leave something loose or disconnected.

    • profile image

      Rachel 

      3 months ago

      My starter recently went out on my 2005 Honda Accord EX Coupe. So I let it sit for a week or 2 till my mechanic could come fix it. I purchased a brand new starter and he placed it on. now the car is running like new....only problem is the check engine light recently came on a few days ago and I'm not sure why. The car is running great. The piece to connect the diagnostic scanner is messed up so it won't read any codes. What do you think is wrong with my car that's causing the check engine light to come on?

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      3 months ago from New Hampshire

      Hi Trinh,

      So the car won't idle, it's normal for the battery light to come on when the engine stalls. Something is causing the engine to stall. What is the year, make, and model of your vehicle?

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      3 months ago from New Hampshire

      Hi Leobert,

      A high idle means you have a vacuum leak (usually) somewhere in the engine like an intake manifold gasket or PCV valve is damaged. Do you hear any hissing noises like air leaking in the engine compartment?

    • profile image

      Leobert begasa 

      3 months ago

      Sir I have Honda CR-V model 1998 before My car had a leaked before cause of the wind shield then a month ago the check ingine indicator showed I don’t know how to repair it by my self I had already replace the spark plug but still desame at desame time the accelerator is also in the number two level means the idle is higher than usual please give me an advice how to repair it by my self thanks sir for reading my question

    • profile image

      trinh 

      3 months ago

      my engine light turn on and I took the battery off and full out the fuse pin of the engine light and open and shut my fuel cap and when i turn the car engine back on the light gone.However if i keep on stepping on the accelerator the car is fine but when i let go it shut off the engine and the battery light switch on, why is that? and after i turn the car back on the engine light appear again?

      Please let me know why and i'm planning to buy a code reader to check the reason.In the mean time i walk to walk and leave the car till they send me the code reader.Eddie if you could help would be greatly appreciated.

      Trinh

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      4 months ago from New Hampshire

      Hi Oladitan?

      The flashing check engine light is caused by a misfire or skip in the engine. You'll need to find out what is causing the misfire like a bad spark plug or spark plug wire, cap, rotor, or coil.

    • profile image

      Oladitan GBENGA 

      4 months ago

      Its running very ok

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      4 months ago from New Hampshire

      Hi Diana,

      Do you know what the code is?

    • profile image

      Diana 

      4 months ago

      I brought my 2004 Honda Accord in for an oil change and inspection. They said I needed front brakes and a serpentine belt which was done. When I picked up the car the engine light was on and when I put the car in park, the cars engine shut down. Brought the car back and they put in a 02 sensor in. Well same problem exists- engine light on and engine cuts off when put in park.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      4 months ago from New Hampshire

      Hi Arianna,

      I don't think it has anything to do with your accident. I recommend you get the code pulled, and it will point you in the direction of what is wrong.

    • profile image

      Arianna 

      4 months ago

      So I ended up getting into an accident while my car was parked. Some guy ended up side swiping my front bumper right off into one piece and the engine light didn’t come on until weeks after. At first it was because of the gas cap not being tightened so then it turned off. But then days after that it came back on and every time I get gas now I make sure it’s tight. But now the lights still on.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      4 months ago from New Hampshire

      If you can get me the code I can tell you the possible problems.

    • profile image

      i have hoda Acord 2010 i do oil change on time , Check Engine Light has been on for last 2 weeks . it is my 3rd car and we dont use it very often please Advice 

      4 months ago

      i have hoda Acord 2010 i do oil change on time , Check Engine Light has been on for last 2 weeks . it is my 3rd car and we dont use it very often please Advice

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      4 months ago from New Hampshire

      Hi Oladitan,

      What is the code, and is the engine running ok or is it running rough?

    • profile image

      Oladitan GBENGA 

      4 months ago

      My 2002 honda accord check engine light has bin on for 2weeks now... After accelearation it starts flashing. If d engine is put off and restarted,d flashing stops. Pls i nid advice

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      4 months ago from New Hampshire

      Awesome Pishoo, thanks for the feedback :)

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      4 months ago from New Hampshire

      Hi Eugene,

      The first step is to have the code pulled from the computer, there is no way to guess the code and there is no common reason for this problem.

    • profile image

      Eugene 

      5 months ago

      I have I have a 2012 Honda Accord after changing my battery check engine light came on what could be the problem

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      5 months ago from New Hampshire

      Hi Fred,

      That must be a generic code, a couple things to check are the canister vent shut valve and canister, also you may want to have your valve lash checked, sometimes if the valves are out of adjustment it will cause a misfire a trip a code like P0301- P0304

    • profile image

      Fred 

      5 months ago

      Hi Eddie, my honda crv 2004 model brings CEL especially when the gas is below quarter tank and on hard acceleration. My mec pulled error code P3200. What could be the problem.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      5 months ago from New Hampshire

      Hi Geri,

      If you email me I can send you some flow charts your mechanic can follow. The email icon is near my picture at the top of this page.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      5 months ago from New Hampshire

      Hi Fharmac,

      It could be a clogged cat or you may just need a valve adjustment especially if it hasn't had it done in 100k miles. Tight valves can cause all kinds of drivability issues and misfire codes as well.

    • profile image

      fharmac 

      5 months ago

      we have a 2002 CRV with 210,550 miles on it. i had recently filled the car, went out to run some errands then, when i restarted the car, it sounded rough when it started (like it wasn't firing on all cylinders) then, shortly after that, the (solid) check engine light came on. we took it to the (honda) mechanic who said the code was for a misfire. he cleared the code and we drove it around for a while and the car seems to be driving "normal" but, at 210,000+ we are being cautious and brought it back because it just seemed to lack its usual spunk. the mechanic said that there is another misfire code pending when he checked it but didn't notice the car was driving poorly. he is going to change the spark plugs as they look like spark plugs with 100,000 miles on them. question, could this be a clogged catalytic converter or bad gas (by the way, the gas cap is not the problem. we checked that as the first thing). thank you for your time and information

    • profile image

      Geri 

      5 months ago

      2011 honda accord code po341come up had sendors a &b replaced along with timing chain kit. The check engine lite and traction lite is back on again. Now what can it be. Im st s loss and so is my mechanic

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      5 months ago from New Hampshire

      Hi Tanya,

      The codes that are coming up are for the O2 sensor but it also has to do with fuel trim so I'm not sure if the dusty roads are causing your problem or if there is a real problem with the O2 sensor. If the problem doesn't occur for 3 consecutive drive cycles the check engine light will go off, so it may be an intermittent failure.

    • profile image

      Tanya 

      5 months ago

      Hi,

      My 2005 Honda Civic 1.7i vtec's engine light came on. The car lost power and went into limp mode. The diagnostic code is P0131 & P0132. When the problem occurred, the car cut out every 1 minute. It is now 6 days later and every day since this event, the car cut out less frequently. Today it did not cut it at all.

      Should we replace the Oxygen sensor associated with these codes?

      We are on holiday, and the car has just drove 1000km long distance. The day of the first cut out, occurred driving in a Wild life park on gravel roads at low speed. This is also a dusty environment. The problem started half way through the day, after being on dirt roads for approximately 5 hours.

      Should we replace the oxygen sensor? Can we drive back to our home town, 1000km distance, on the national roads?

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      5 months ago from New Hampshire

      Hi Anne Marie,

      It all depends on what they find for a code. Only a Honda Dealer can replace piston rings under warranty if your vehicle qualifies.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      5 months ago from New Hampshire

      Hi Lala,

      If you have the code pulled from the computer it will give you an idea of what is causing the problem.

    • profile image

      Lala 

      5 months ago

      My 2014 Honda Civic Is not going when I’m in drive. The Rpms jump and engine is loud. Check engine light is on and the D drive letter isn’t flashing.

    • profile image

      Anne Marie 

      5 months ago

      Hi

      I have same problem as Chris but not a flashing light as yet, feel the car missing a couple of times, garage says they are busy until Monday, do you think it's Pistons or other problem

      Many thanks

      Anne Marie

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      6 months ago from New Hampshire

      I'm sorry Jussara, I do not understand your language.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      6 months ago from New Hampshire

      Hi Dan,

      The P0137 is the heated O2 sensor code, it probably has failed, you'll need to have someone test it to know for sure, the other coeds are generic codes and I have no understanding of them.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      6 months ago from New Hampshire

      Hi Chris,

      Pull the code, don't drive it if the check engine light is flashing. If you have a p0300 through p0304 you may need piston rings and it's possible you may be under a warranty extension, cross your fingers. You'll need to visit a Honda dealer to know for sure so they can run your vin#. Keep me posted, thanks.

    • profile image

      Chris 2009 Honda Odeseey Touring 

      6 months ago

      Engine light flashing. VsA light on steady. Triangle with exclamation point on steady. Car seems to idle a little rough. Any words on where to start?

    • profile image

      Dan 

      6 months ago

      07 Honda Fit. Just had alternator replaced. P0137, 8-7, 13-1, 61-1 are all of the codes that the OBD2 reader gave me at Auto Zone. Car seems to be running fine. Any ideas?

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      6 months ago from New Hampshire

      Hi Starkhead,

      That is a very good possibility, that would give you poor fuel mileage and also cause the check engine light to come on with an O2 sensor code. Thanks for the update :)

    • profile image

      Starkhead 

      6 months ago

      Guess what Eddie,

      I had a friend read the code the next day and it read P0420 so expected to have to get catalytic converter replaced and who knows what else in the exhaust system since it’s very high mileage. Light stayed on over the weekend and my fuel economy was really bad but car was running smooth. Then I filled up with Phillips gas on Tuesday and started car and the light was gone. And it has been off since (3 days now). I fill my tank twice a week bc of long commute. I had been getting gas from two local stations for the last month that were having price wars with really low priced gas. I’m wondering if I got really bad gas for the last month and it caused some exhaust issues ? My fuel economy is back where is should be also. On my second tank with Phillips

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      6 months ago from New Hampshire

      Hi Starkhead,

      Sorry so late with my reply. If the light is not flashing, no need to be too concerned, just get it checked out at some point. If the check engine light flashes, get the code checked asap and try not to drive the vehicle until you know the code.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      6 months ago from New Hampshire

      Hi Andrew,

      I'm not sure that would trigger the check engine light to come on. Check the code and let me know what it is.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      6 months ago from New Hampshire

      Hi Everett,

      Try turning the cruise control main shtick back on and see if the cruise works now.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      6 months ago from New Hampshire

      Hi Paula,

      The "D" light is flashing because you have a fault in one of the solenoids on the transmission, I recommend trying a Honda dealer for diagnosis and replacement of the solenoid.The check engine light is on because the "D" light is on. Let me know what happens, thanks.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      6 months ago from New Hampshire

      Hi Crissy,

      The "D" light is flashing because you have a fault in one of the solenoids on the transmission, I recommend trying a Honda dealer for diagnosis and replacement of the solenoid. Let me know what happens, thanks.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      6 months ago from New Hampshire

      You're welcome Umesh :)

    • profile image

      Prashanth Anand 

      6 months ago

      I have a Honda Civic 2007 model,

      The check engine light is on. Car is not moving forward in hilly areas no accelerator response in hilly areas . If I hit accelator hard car is struggling to move forward but after 3000 rpm car is moving very smooth in between 500 to 2500 rpm this problem occurs

    • profile image

      Crissy 

      6 months ago

      My 2015 honda pilot has 90,000 miles and has been driving great. My drive lights started flashing and check engine light came on. After a day it went off. Almost 5 days later ithas came back on. I took it to oreillys and they checked the code and it said the transmision pressure sensor was reading high. Btw i just had my oil changed last week before this started. Once you turn the car and back on the drive light stops blinking. Any ideas?

    • profile image

      Rech 

      6 months ago

      Hi the check engine light on my honda crv 2007 suddenly lit up. But before that i noticed that there’s a leak of oil under my car i had it checked replced the valve seal and had it changed oil again but then the engine light came out again. I had it scanned and it says P0135. Mechanic didnt check anything and just read the code from the scanner and told me that i need to replace my Oxygen sensor bank 1 sensor 1 and it costs 20,000.00. Is it really the prob?

    • profile image

      Paula 

      6 months ago

      The check engine light is on and the "D" is flashing. 2007 Honda CRV

    • profile image

      Everett 

      6 months ago

      My 2006 Honda civic Check engine light came on and the cruise control stopped working with brief power cut.

    • profile image

      andrew 

      6 months ago

      honda civic 2011 used 5w20 conventional oil instead of synthetic and oil engine light came on

    • profile image

      Starkhead 

      6 months ago

      Hello, I have noticed the last few fuel-up I am losing 20-40 miles on my tank of gas on my 2008 Accord manual transmission. This morning I was driving on snow covered roads to get to interstate and my check engine light came on. I have a 70 mile commute to work and it drove completely normal on the all interstate drive and the gas mileage was not worse. Do your have any thoughts ? I don’t know the code yet. Just wondering how worried I should be and if it is urgent.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      6 months ago from New Hampshire

      Hi Sandra,

      Do you know the code? Is the engine running smooth, no hesitation or bucking? Is the only problem the light being on?

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      6 months ago from New Hampshire

      Hi Ki,

      I think the mechanic may have forgotten to plug something in like a sensor. Do you know the code? The brakes have nothing to do with the light.

    • profile image

      Ki 

      6 months ago

      I had my clutch work done on honda city . While removing bolts, one bolt was clogged and had to be cut. After the clutch job done, the engine check light is on. What cud be the reason? The mechanic says something to do with the silencer.the vehicle has done 135000 kms.also had brake pad changed a day earlier.help

    • profile image

      Sandra Martinez 

      6 months ago

      Hi I just took my vehicle to a mechanic because one of the ignition coil was burnt out and a couple fuse blown out. The mechanic change fuse and one of the ignition coil that had the problem. Light came off. Driving it around for couple of days and the light came back on. We took it for a scan, the mechanic says it is the gas in the vehicle. He took off the light and it came right back on. What do you think is the problem?

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      7 months ago from New Hampshire

      Hi Ronnie,

      You'll need to et the code stored in the computer but it sounds like you may have a failing coil or spark plug. Once you know the code it will point you in to the problem.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      7 months ago from New Hampshire

      Hi Amy,

      You could visit the Honda Dealer and have them check you vehicles in service date and all check for recalls. You may have a piston ring problem that may be covered under warranty, but it all depends on your vehicle service history.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      7 months ago from New Hampshire

      Hi Ali,

      Do you know the code?

    • profile image

      Ali 

      7 months ago

      Hi! 2011 Honda pilot mileage 220.000 check engine light is on if i want to fix how much cost?

    • profile image

      Amy Carsten 

      7 months ago

      I have a 2010 Odyssey . The light comes on and is flashing , van is shaking. The mechanic changed the spark plugs and it was running fine. It happened again and he said the spark plugs were bad and damaged with oil . What does this mean ?

    • profile image

      Ronnie 

      7 months ago

      Eddie, I have a 2000 Honda Accord. While driving, the light flashes (light with the pic of an engine) and hesitates and looses some power momentarily. Only blinks maybe 2 or 3 times and everything is back to normal. Any experiences with what this could be sir?

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      7 months ago from New Hampshire

      Hi Teresa,

      Do you know what the code is?

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