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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

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.
Porsche, Bugatti and Rimac performance cars representing Porsche’s completed exit from Bugatti Rimac and Rimac Group

Porsche Completes Its $1.2-Billion Exit From Bugatti and Rimac

Porsche has completed the sale of its interests in Bugatti Rimac and Rimac Group, collecting approximately €1 billion—or $1.2 billion—and ending its...

How Blown Turbo Gaskets Reduce Horsepower

Like any part in your automobile, turbo gaskets play a vital role in the overall efficiency of your turbocharger setup. Over time and heat...

How To Test a Honda Accord Alternator

There's quite a few things that can go wrong when it comes to your alternator, from battery failure to sluggish performance. This is why...

Reviewing 2JZ Engine Management Choices

Whether you are swapping a 2JZ into a chassis or building a Supra, there comes a point where you need a 2JZ engine management solution....

How To Reset a Toyota Corolla Maintenance Light

The warning lights on your dashboard or instrument cluster can often unsettle drivers, after all who wants to see a check engine light or...
A connector can pass continuity and still fail under vibration. Learn how a terminal drag test finds loose, spread or backed-out terminals safely.

How to Perform an Automotive Connector Terminal Drag Test

An automotive connector terminal drag test checks whether a female electrical terminal grips its matching male pin tightly enough to maintain reliable...

Honda VTEC FAQ – How VTEC works

One of the most commonly used terms by Honda enthusiasts around the world, VTEC is Honda's variable valvetrain technology. VTEC technology in the mid...