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DIY Auto Repair and Diagnosis

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  • Replace the EGR valve and remove carbon deposits to ensure proper operation of the emission control system and eliminate engine driveability issues.

    How to Replace an EGR Valve

    How to Replace an EGR Valve

    by Dan Ferrell0

  • For car and truck owners who have a "check engine" light on caused by OBDII codes P0171 and P0174 (Fuel System Too Lean), here are some tips for diagnosis and troubleshooting.

    OBDII Codes P0171 and P0174: Diagnosis

    OBDII Codes P0171 and P0174: Diagnosis

    by johnnyvest6

  • When your engine will not rotate, these simple checks and tests can help you diagnose and repair the fault.

    Why Won't My Engine Turn Over?

    Why Won't My Engine Turn Over?

    by Dan Ferrell0

  • Edible not by humans but by rodents. This is a story about how our Prius's wiring harness was chewed by rodents...and it could happen to you as well.

    Did You Know Your Car Had Edible Parts?

    Did You Know Your Car Had Edible Parts?

    by Mike Russo11

  • A guide to the most common sources of noises while steering, to help you diagnose and fix your car faster.

    What Is That Steering Noise?

    What Is That Steering Noise?

    by Dan Ferrell0

  • Diagnosing an electrical short can be very difficult and expensive. The actual repair usually consists of an inexpensive wire connector and some tape. The real expense is the time it takes to locate the problem.

    Electrical Shorts in Your Car Blowing Your Fuse?

    Electrical Shorts in Your Car Blowing Your Fuse?

    by meansdavid15

  • Spark plug problems can be tricky to identify. The symptoms of faulty spark plugs are pretty general and can be attributed to a number of other issues. So read this article for tips and tricks on how to differentiate spark plug problems from other issues.

    Spark Plug Problems

    Spark Plug Problems

    by Benji Mester13

  • I see it every so often: When the tire rotation guy doesn't screw in the lug nuts by hand before using his impact driver, the next person who tries to remove the lug nuts has to use so much torque that the lug stud strips its threads or even breaks off.

    Fixing a Sheared-Off or Cross-Threaded Lug Stud (With Video)

    Fixing a Sheared-Off or Cross-Threaded Lug Stud (With Video)

    by hardlymoving0

  • If your car stalls at idle, check these symptoms and the potentially faulty components that may lurk behind the problem.

    Why Does My Car Stall at Idle?

    Why Does My Car Stall at Idle?

    by Dan Ferrell1

  • The Nissan Quest is an excellent vehicle. I have owned several of them, and in general, have had really great service out of them. In this article, I will explain how to replace the thermostat.

    Thermostat Replacement on a Nissan Quest V6

    Thermostat Replacement on a Nissan Quest V6

    by Retnuh0

  • Do you know what to do in the event that you get in and turn your car on but it doesn't start? Check out this hub for some helpful tips on what to do.

    What Do I Do When My Car Won't Start?

    What Do I Do When My Car Won't Start?

    by Wrench Wench3

  • IAC motor troubleshooting is a simple procedure on most vehicles, and you probably already have the tools for the project.

    Troubleshooting Your IAC Motor

    Troubleshooting Your IAC Motor

    by Dan Ferrell0

  • I didn't want to pay a fine for a burnt-out headlight, and I didn't want to pay someone else to replace it either. Here's how I did it, with some nuances that may help you.

    How to Replace a Headlight on a Jeep Patriot

    How to Replace a Headlight on a Jeep Patriot

    by Whatsittoyou1

  • This repair will detail the steps involved in replacing the AC evaporator on a 2007 Kia Sportage. A car's evaporator is the least costly major AC system component when compared to the compressor and condenser, but it's the most difficult and time-consuming to replace.

    How to Replace the AC Evaporator on a 2007 Kia Sportage

    How to Replace the AC Evaporator on a 2007 Kia Sportage

    by hardlymoving1

  • By far the easiest installation I've ever performed. This is on a 1993 Ford Explorer. The procedure is similar for other years of Ford Explorer.

    Heater Core Installation

    Heater Core Installation

    by Joanna0

  • Radiator stop leak should only be used in certain circumstances. Learn if this product might be right for you.

    Radiator Stop Leak Review

    Radiator Stop Leak Review

    by Benji Mester15

  • Noticing weird clunking noises when accelerating or driving over rough roads? Engine revs up before the car moves? It could be worn engine mounts. This article, via video, will show you how to replace these mounts, as demonstrated on a 2003 2.4L Toyota Camry.

    Toyota Camry Motor Mount Replacement (With Video)

    Toyota Camry Motor Mount Replacement (With Video)

    by hardlymoving0

  • Are you looking for your Honda Acura's ECU or OBD connector to find why your "check engine" light is on? Look no further. Here's the skinny on Honda Acura codes.

    Honda and Acura OBD Connector Locations

    Honda and Acura OBD Connector Locations

    by Jerilee Wei14

  • How to replace a washer fluid pump on a 2006 BMW X3. Often these pumps begin leaking and must be replaced. Step-by-step instructions with pictures.

    How to Fix a BMW X3 Washer Fluid Leak

    How to Fix a BMW X3 Washer Fluid Leak

    by johnnyvest34

  • A guide to changing the brake pads on a VW Touran. The information that follows applies to many of the VW, Audi, SEAT, Skoda range of vehicles.

    VW Touran Brake Pad Change

    VW Touran Brake Pad Change

    by Robyco18

  • If you have a car idling low, there are a few common components you can check at home using some simple tools.

    Why Is My Car Idling Low?

    Why Is My Car Idling Low?

    by Dan Ferrell0

  • If you want to remove the transmission on a Honda Harmony, and you need some instructions, I have put together this instruction video just for you.

    Honda Harmony 215 Transmission Removal

    Honda Harmony 215 Transmission Removal

    by Eddie Carrara8

  • Replace a fuel filter in minutes. This guide works for most vehicle models, even if you don't have much mechanical experience.

    How to Replace a Fuel Filter

    How to Replace a Fuel Filter

    by Dan Ferrell0

  • Why is my car overheating? What can I do to fix it? There are many reasons why an engine might overheat, and many simple fixes for those problems.

    Why Is My Car Engine Overheating?

    Why Is My Car Engine Overheating?

    by Benji Mester5

  • EPA emission standards don't allow engine blow-by gases to be released into the atmosphere. But channeling these spent oily gases back into your engine will eventually carbonize engine internals and impact performance. Installing an aftermarket oil catch can is a easy and simple solution.

    How to Install an Oil Catch Can on a Toyota 2.2L 5SFE Engine (With Video)

    How to Install an Oil Catch Can on a Toyota 2.2L 5SFE Engine (With Video)

    by hardlymoving1

  • Loss of air conditioning in your Chrysler Pacifica is usually a matter of inconvenience rather than a serious problem. I'll show you how to check refrigerant pressure and refill it for $25.

    How to Add Refrigerant R-134a to a Chrysler Pacifica

    How to Add Refrigerant R-134a to a Chrysler Pacifica

    by Matthew Clemmer3

  • You’re driving along and all of a sudden your sun visor pops down to get in your way. Sound familiar? Here is my tutorial on how to fix a loose car or truck visor.

    How to Fix a Loose Sun Visor

    How to Fix a Loose Sun Visor

    by Nicoli Clause6

  • The topic of RB20 intake manifolds is a hot one. As the price of used Nissan RB20DET engines continues to tumble, more people are viewing them as a viable option to their current engine.

    RB20 Intake Manifolds

    RB20 Intake Manifolds

    by Dreaded Fist3

  • DIY instructions for cleaning or replacing the MAF (mass airflow) sensor in a VW Jetta, Golf, GTI, Passat, New Beetle, A4. Included are step-by-step pictures, part numbers, and tools required for the job.

    How to Clean or Replace the MAF Sensor for VW or Audi

    How to Clean or Replace the MAF Sensor for VW or Audi

    by Writen4u114

  • If you have a soft or sinking brake pedal and you're looking for information on what's causing it or what you should do next, you'll find the answers here. I've included some pictures and FAQs.

    3 Common Causes for a Soft Brake Pedal

    3 Common Causes for a Soft Brake Pedal

    by Eddie Carrara8

  • Know how to replace an oxygen sensor safely. A bad oxygen sensor will increase fuel consumption by up to 40%.

    How to Replace an Oxygen Sensor

    How to Replace an Oxygen Sensor

    by Dan Ferrell0

  • The starter uses the battery and battery cables to provide the power to crank over the engine. The starting system can be tested to find a slow-crank or no-crank problem.

    DIY Auto Service: Starter Diagnosis and Repair

    DIY Auto Service: Starter Diagnosis and Repair

    by Mike Thomas0

  • Do an oil pan gasket replacement at home following the safety precautions, tips, and method outlined in this guide.

    Oil Pan Gasket Replacement

    Oil Pan Gasket Replacement

    by Dan Ferrell0

  • Repair manuals for the Datsun/Nissan 720 series of trucks fail to mention the fuel pump relay—where to find it, what it does, how it's wired-in, and how to repair or replace it. Luckily for you, this article has the answers.

    1981–1985 Nissan and Datsun Pickup Fuel-Pump Problems

    1981–1985 Nissan and Datsun Pickup Fuel-Pump Problems

    by Dan129

  • DIY (Do it yourself) Toyota MZFE V6 Fuel Injector Replacement. Detailed instructions with plenty of step by step photos. Replacement method can be used in the Camry, Avalon, Sienna, ES300 & RX300.

    DIY Toyota V6 MZFE Fuel Injector Replacement

    DIY Toyota V6 MZFE Fuel Injector Replacement

    by hardlymoving11

  • Brake fluid replacement is an important part of routine vehicle maintenance, yet it is often overlooked or ignored by owners. This article explains why replacing brake fluid is important and how ignoring this inexpensive job can result in expensive and avoidable repairs in years to come.

    Brake Fluid Replacement: Why Is It So Important?

    Brake Fluid Replacement: Why Is It So Important?

    by Ritchie Hicks0

  • There are many reasons that your heater might be giving you the cold shoulder—literally. This article will cover the three most likely reasons why your heater is blowing cold air.

    3 Signs Your Heater Switch Is on the Fritz

    3 Signs Your Heater Switch Is on the Fritz

    by Wrench Wench0

  • Install a brake booster replacement following these simple steps, even if you have to remove the brake master cylinder.

    Brake Booster Replacement

    Brake Booster Replacement

    by Dan Ferrell0

  • Ford Fusion owners: Beware if your A/C has stopped working! Ford had a genius idea to install a sensor in the top of the evaporator case. What does this mean to the owners of the Fusion?

    Ford Fusion A/C Compressor Won't Turn On

    Ford Fusion A/C Compressor Won't Turn On

    by RayTheWrench162

  • The way you buy your car parts can make the difference between getting affordable, quality parts and wasting your money and time.

    How to Buy Car Parts

    How to Buy Car Parts

    by Dan Ferrell2

  • If your car stalls when cold, check the most common sensors and components behind the fault using a few common tools.

    Why Does My Car Stall When Cold?

    Why Does My Car Stall When Cold?

    by Dan Ferrell0

  • An engine that takes too long to start, that doesn't start one day but starts the next, that turns over sluggishly or just gives you a click: these may indicate a starter that needs replacement.

    Starter Removal:  1999 Pontiac Grand Prix

    Starter Removal: 1999 Pontiac Grand Prix

    by who105

  • If you want to know how to increase horsepower, you're not alone. These are some simple engine modifications just anybody can do to their car.

    How to Increase Horsepower

    How to Increase Horsepower

    by WheelScene2

  • Find out why your car AC smells bad and get rid of the source using this simple guide.

    My Car's AC Smells Bad

    My Car's AC Smells Bad

    by Dan Ferrell0

  • How-to article on replacing OEM sway bar links on a Nissan Titan 4x4 with a Moog Suspension link kit using basic hand tools in the comfort of your own garage. An easy project requiring less than an hour.

    Replacing Sway Bar Links on a Nissan Titan

    Replacing Sway Bar Links on a Nissan Titan

    by Drew Bobbitt0

  • A 1992 Mitsubishi 3000 GT SL, sitting dead and idle for over 10 years, was brought back to life in this series of videos. It was renovated from the engine compartment to the suspension. I used many new off-the-shelf parts with no high-performance custom modifications.

    Mitsubishi 3000 GT Restoration Project (With Videos)

    Mitsubishi 3000 GT Restoration Project (With Videos)

    by hardlymoving0

  • The classic 1989 Chevy Dually employs a braking system consisting of disc brakes on the front and drum brakes on the rear. The drum brakes are a little more complex than they are on today's models. Let's go over that system here.

    Replacing the Rear Brakes on a 1989 Chevy Dually

    Replacing the Rear Brakes on a 1989 Chevy Dually

    by Joanna0

  • Is your battery dead? Do you need a jump? Are you completely at a loss as to how this is done? This is the article for you! We'll go over the simple process of safely jump-starting a car battery.

    Jump-Starting a Dead Car Battery

    Jump-Starting a Dead Car Battery

    by Joanna0

  • P0300 random misfires can be hard to diagnose, leave you stranded and with an expensive repair bill, but this guide can help you.

    P0300 Random Misfire Diagnosis

    P0300 Random Misfire Diagnosis

    by Dan Ferrell2

  • Learn how to change a starter motor using a step by step approach that highlights what you need to pay attention to.

    How to Change a Starter Motor

    How to Change a Starter Motor

    by Dan Ferrell0

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