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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

Automotive wiring load test showing 12 volts with no load and voltage collapsing under load due to a corroded high-resistance connector.

How to Load-Test Automotive Wiring: Why 12 Volts Doesn’t Mean the Circuit Is Good

Seeing 12 volts at a connector doesn't prove the circuit is healthy. Learn how automotive wiring load tests expose corrosion, weak terminals, damaged wires and other hidden resistance.

FAQ : What is the ZC Engine?

Easily one of the most commonly mistaken and misrepresented of all Honda engines, there isn't that much information about the ZC engine. One of...
bad ignition coil symptoms

7 Bad Ignition Coil Symptoms You Should Never Ignore

A modern engine depends on a strong ignition system to deliver power, fuel economy, and reliability. At the center of that system...

How To Swap a B Series

Learning how to swap a B series into anything isn't as hard as you might think, and our guide to DIY Honda engine swapping...

How To Test a Ford Mustang Cobra TPS

There can be many reasons for you to test your throttle position sensor in your Ford Mustang. The throttle position sensor (TPS) may have...

How To Test a Toyota Corolla Fuel Injector

Over time one or more of the Corolla Fuel Injector in your sedan can become clogged or even fail. When this happens your 1.6 liter...

How To Replace a Ford Fiesta MAF

Variable valve timing is nothing new to the world of performance automobiles, but the Ford EcoBoost may be transforming small displacement engines all together....
2002–2003 Acura RSX parking brake diagram showing the factory 7–9 click specification, parking brake cable, rear caliper, and actuating arm.

How Many Clicks Should the Parking Brake Have on a 2002–2003 Acura RSX?

How many clicks should an Acura RSX parking brake have? The factory service manual specifies 7–9 clicks. Here's what to inspect when yours falls outside that range.