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DIY Auto Repair and Diagnosis

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  • Do a cleaning EGR valve job at home to improve engine performance and prevent serious engine mechanical problems.

    How to Clean an EGR Valve

    How to Clean an EGR Valve

    by Dan Ferrell8

  • The cause of car vibrations can be difficult to pinpoint because of the vast number of potential causes. But if you car vibrates only when accelerating, you may have a CV joint issue. Address it and you won't be afraid to drive your car again.

    Car Vibration When Accelerating:  Suspect Your CV Joint

    Car Vibration When Accelerating: Suspect Your CV Joint

    by Eddie Carrara17

  • If your brakes squeak and you want to know why, maybe I can help! Here are four common brake squeaks plus a bonus scraping noise; compare these situations to yours. Questions are welcome.

    Four Common Types of Brake Squeaks

    Four Common Types of Brake Squeaks

    by Eddie Carrara334

  • 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 johnnyvest4

  • One of the most nerve-wracking diagnoses that an engine can receive: blown head gasket. Dive into this article to learn the three most common signs your engines developed a bad head gasket.

    Three Signs and Symptoms of a Blown Head Gasket

    Three Signs and Symptoms of a Blown Head Gasket

    by Wrench Wench1

  • 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

  • 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

  • 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 RayTheWrench159

  • Recognizing symptoms of a bad EGR valve will help you troubleshoot potential problems sooner and restore engine performance faster.

    Symptoms of a Bad EGR Valve

    Symptoms of a Bad EGR Valve

    by Dan Ferrell207

  • Tips and precautions to use when replacing your brake pads, so you can get quality results on a Honda or any other vehicle.

    How to Replace Honda Brake Pads

    How to Replace Honda Brake Pads

    by Eddie Carrara87

  • You've fixed the issue which was causing your check engine light to turn on, but now it wont turn off! Try one or more of these approaches to get the light to go off and be sure your engine is ok.

    How to Get Rid of the "Check Engine" Light

    How to Get Rid of the "Check Engine" Light

    by Kate Daily42

  • Common brake problems, such as a soft brake pedal, pulling to one side while braking, or vibration while braking can have serious implications for your car's health (and your health, in turn!). Learn more about the most common brake issues and their solutions, here.

    Five Common Brake Problems in Cars

    Five Common Brake Problems in Cars

    by Eddie Carrara737

  • 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

  • Learn how to change a front wheel bearing with a step-by-step guide with photos and a video. In the video, you will learn what a damaged wheel bearing sounds like and how to determine which wheel bearing is causing the noise. Once you learn this trick of the trade, your mechanic can never sell you a wheel bearing you don't need.

    How to Change a Front Wheel Bearing

    How to Change a Front Wheel Bearing

    by Eddie Carrara54

  • How to use a voltage drop test to troubleshoot common automotive problem circuits to speed up repairs and save money.

    Automotive Voltage Drop Testing

    Automotive Voltage Drop Testing

    by Dan Ferrell0

  • Are you having car-starting trouble other car issues and wondering whether your alternator is still good? Here's how to tell and how to rebuild or replace your alternator if it is in fact the culprit.

    Five Signs It's Time to Replace Your Alternator

    Five Signs It's Time to Replace Your Alternator

    by Wrench Wench7

  • In this article, I will explain the most common reason for a slipping automatic transmission and the most common reason for a slipping standard transmission. What's more, I'll teach you to fix it in either case.

    The Most Common Reasons Why a Transmission Slips

    The Most Common Reasons Why a Transmission Slips

    by Eddie Carrara1290

  • Does your engine crank, but won't start? This guide tells you where to begin your diagnostic and what to do next.

    My Engine Cranks but Won't Start

    My Engine Cranks but Won't Start

    by Dan Ferrell45

  • If you have disconnected your battery for any reason, then your Honda radio and/or navigation system will say "code" and not work. Here are three ways to get that code and how to make your system(s) work again.

    3 Ways to Unlock Your Honda Radio Code

    3 Ways to Unlock Your Honda Radio Code

    by Chris Andrews2

  • 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

  • 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 Fist2

  • This collection of repairs for Honda Harmony lawnmower transmissions is growing monthly. If your Harmony transmission has a problem, we probably have the solution!

    Honda Harmony 215 Transmission Problems

    Honda Harmony 215 Transmission Problems

    by Eddie Carrara312

  • Worried your fan belt is bad? Hearing strange squealing or whining noises from your car? Thinking about a few extra things every car should have in a tune up? Look no further! This article's for you!

    Five Signs It's Time to Replace Your Fan Belt

    Five Signs It's Time to Replace Your Fan Belt

    by Wrench Wench1

  • Choosing the right replacement car battery for your vehicle can be daunting. There are so many brands, manufacturers, and retailers out there that it can be difficult to know where to begin. Learn the 5 factors to consider when choosing an appropriate replacement battery for your vehicle.

    Choosing a Car Battery: How to Find the Right Size, Brand, and Rating

    Choosing a Car Battery: How to Find the Right Size, Brand, and Rating

    by Live N Learn46

  • Here are the most likely reasons for bad clutch performance, a noisy clutch, or strange behavior by the clutch pedal. Look for your symptoms here.

    Symptoms of a Bad Clutch

    Symptoms of a Bad Clutch

    by Dan Ferrell63

  • Imagine getting a flat tire on your way to work. You stop to change your tire, and a lug nut is stripped and won't come off. Access to a couple simple tools will prevent this from becoming a problem.

    How to Remove a Stuck or Stripped Lug Nut

    How to Remove a Stuck or Stripped Lug Nut

    by Matthew Clemmer14

  • A knocking or ticking noise from your engine is a sign that something is wrong, usually because of a lack of oil. If you're questioning what is normal engine noise, I may have the answer.

    Knocking or Ticking Noise From Your Engine

    Knocking or Ticking Noise From Your Engine

    by Eddie Carrara65

  • This guide tells you how to troubleshoot the usual suspects and more when your engine won't crank over.

    Engine Won't Crank Over

    Engine Won't Crank Over

    by Dan Ferrell0

  • Having problems with your car's thermostat? This article shows you how to check your thermostat in a few minutes without removing it from your car.

    Do I Need to Replace My Car Thermostat?

    Do I Need to Replace My Car Thermostat?

    by Dan Ferrell24

  • 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 hardlymoving9

  • If the air conditioning goes out in your car, you want to get it fixed quickly. There are a number of problems that could cause this issue. Keep cool with these tips and tricks.

    How to Fix a Broken Car Air Conditioner

    How to Fix a Broken Car Air Conditioner

    by WheelScene4

  • 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

  • This is a guide to finding, cleaning or changing the MAF sensor on your Opel/Vauxhall Vivaro, Renault Trafic or Nissan Primastar van. This sensor is often the cause of low power, an inability to rev properly, and rough running. Follow this easy-to-follow guide to find out how to change it yourself.

    How to Clean / Change MAF Sensor on Trafic, Vivaro & Primastar Vans

    How to Clean / Change MAF Sensor on Trafic, Vivaro & Primastar Vans

    by Rain Defence146

  • Water leaking into a car can lead to mold, corrosion, computer issues, and bad smells. Water can leak into your passenger compartment from outside or inside the car, often from the windshield.

    Water Leaking Into a Car

    Water Leaking Into a Car

    by Eddie Carrara738

  • 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

  • Are the brake lights on your Honda staying on even after you remove your foot from the brake pedal? The solution to this problem is simple, and costs less than five dollars in most cases.

    How to Fix "Stuck" Brake Lights on a Honda

    How to Fix "Stuck" Brake Lights on a Honda

    by adriantheautoguy18

  • If you think you may have rodents or mice living in your vehicle, here are a few tips on where to find their hiding places and how to evict them permanently!

    Can Rodents or Mice Ruin a Car?

    Can Rodents or Mice Ruin a Car?

    by Eddie Carrara20

  • 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 Mester14

  • 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

  • Diagnose engine knocking with the help of this simple guide before your engine suffers costly damage.

    Why Does My Engine Knock?

    Why Does My Engine Knock?

    by Dan Ferrell1

  • Recognize bad fuel filter symptoms, improve engine performance, and avoid expensive repair bills.

    Bad Fuel Filter Symptoms

    Bad Fuel Filter Symptoms

    by Dan Ferrell10

  • Engine misses can be hard to diagnose, but you can start with the most likely sources to speed up your repair.

    Why Does My Car's Engine Miss?

    Why Does My Car's Engine Miss?

    by Dan Ferrell2

  • If your engine won't turn over, this guide will help you find the most common—and not so common—problem sources.

    My Engine Won't Turn Over

    My Engine Won't Turn Over

    by Dan Ferrell16

  • Know your engine! This simple guide to what's under the hood of your car includes maintenance tips and pictures. Try the quiz at the end to see what you've learned!

    What's Under the Hood of Your Car?

    What's Under the Hood of Your Car?

    by Joanna6

  • Testing spark plug wires to solve power loss, trouble starting, increase in gas consumption and other performance issues.

    How to Test Spark Plug Wires

    How to Test Spark Plug Wires

    by Dan Ferrell2

  • What do you do when your power window gets stuck in the down position and you don't have the money to get it fixed by a mechanic? Here are the steps I took to close my car's power window manually.

    How to Raise a Power Window Manually

    How to Raise a Power Window Manually

    by Burrado3

  • Hyundais have a common problem with the A/C not working when the car is stopped. It's often a bad connector that is very easy to fix for under $20. This article will show you how to do the fix yourself.

    Troubleshooting Hyundai Air Conditioning Problems

    Troubleshooting Hyundai Air Conditioning Problems

    by Steve Mark70

  • BMW X3/X5 Brake, ABS, and 4x4 warning lights all on at the same time. Information on the probable cause (defective BMW transfer case actuator motor gear) and fixes.

    BMW Transfer Case Actuator Problem and Fix

    BMW Transfer Case Actuator Problem and Fix

    by johnnyvest92

  • AC system diagnosis can be done by feeling the lines for the correct temperature/ pressure relationship. With gauges hooked up, the pressures can be measured and then diagnosed.

    DIY Auto Service: AC System Diagnosis by Symptom

    DIY Auto Service: AC System Diagnosis by Symptom

    by Mike Thomas77

  • Ever wonder what the secret behind auto dealerships selling used cars is that makes the cars look good as new? This is the biggest part of it and now you will learn how to do it even better than they do—the pro way.

    How to Sand and Polish a Car so the Paint Looks Good as New

    How to Sand and Polish a Car so the Paint Looks Good as New

    by Pablo Marroquín8

  • 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 Writen4u113

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