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Looking for help with your vehicle? Do you see the dreaded check engine light on? have a problem with your car or truck and need a find a DIY guide? Our collection of How To articles can help you save money and time and get back on the road. No matter what issues in your vehicle you can find the how to tutorial to help you.
Whether you car problems are simple or complex, our guides are here to help. With just a digital multimeter at your side, you can test and diagnose most of your car issues with our How To articles. One of the other tools that is a must have when you want to fix a car yourself is the OBDII scan tool.
These tools quickly connect to your OBDII vehicle to read the Diagnostic Trouble Codes that are stored in your engine computer. Need a How To guide but can't find it in our archive? Leave us a comment or message us and let us know, we'll be glad to help!

Popular FAQ

2027 Chevrolet Corvette Stingray, Grand Sport and Grand Sport X compared on a performance circuit

Which 2027 Corvette Should You Buy? The Grand Sport Looks Like the Sweet Spot

The 2027 Chevrolet Corvette lineup now stretches from a 200-mph Stingray to the 1,250-horsepower ZR1X, but the smartest enthusiast purchase may sit...

How To Compression Test your Engine

If your car or truck has been running poorly and doesn't seem quite as peppy as it once did, it may be a good idea...
California replacement tire efficiency rules beginning in 2029 with passenger, performance and winter tire categories

California’s New Tire Law Explained: No, Your Current Tires Are Not Banned

California has approved the nation's first efficiency standards for replacement tires, but the new rules do not ban the tires already on...

How To Reset your G35 ECU

Whether you are trying to clear an engine code the hard way, or reset your closed loop fuel values in your ECU, learning how...
White-and-red Porsche 911 GT3 Cup MR 30 beside a Cayman GT4 RS Clubsport MR 30 at a racing circuit.

Manthey’s Porsche 911 GT3 Cup MR 30 Gets a 4.2-Liter Flat-Six

Manthey’s Porsche 911 GT3 Cup MR 30 pairs a 552-hp, 4.2-liter flat-six with revised cooling, aerodynamics and suspension. Its companion Cayman MR 30 follows a different path, improving an existing engine package through lighter components and chassis development.

FAQ – What is a Noid Light

An automotive noid light is to test the fuel injector operation in any EFI vehicle. Problems with your fuel injector can cause your engine...
Acura RSX start-and-stall diagnosis showing immobilizer, fuel pressure, throttle body and injector tests

Why Does My Acura RSX Start and Then Immediately Stall?

If your Acura RSX starts and then immediately stalls, check the immobilizer, fuel pressure, throttle body, vacuum system, sensor data and idle learning before replacing parts.

How To Test a Ford Mustang Crank Sensor

The Mustang crank sensor in your Ford is a variable sensor that reads the crankshaft position and how fast the crankshaft is moving.  Your Ford...