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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

How To Install a Fan Controller

When it comes to the cooling part of your performance vehicle, too often enthusiasts overlook their fan wiring. Aftermarket radiator companies like Mishimoto, Koyo...
Dial indicator measuring LS1 crankshaft end play at the crankshaft thrust bearing

LS1 Crankshaft End Play: What Is the Correct Thrust Clearance?

LS1 crankshaft end play should measure 0.0015–0.0078 inch. Learn where the No. 3 thrust bearing is located, how crankshaft end play is measured, and what to check during an LS1 engine build.

How To Test a Nissan Sentra MAF Sensor

When your Nissan Sentra MAF Sensor begins to fail over time, it can cause your 2.0 liter Sentra to run poorly. MAF stands for the...

How To Find Ford Focus Misfire

Engine misfire is never a fun time, especially when you have it in your new Ford Focus. Although random engine misfire can be difficult...
2002–2003 Acura RSX DC5 diagram showing VIN, K20A2 and K20A3 engine number locations, and MRMA, W2M5, and X2M5 transmission identification codes.

Where Are the VIN, Engine Number and Transmission Number Located on a 2002–2003 Acura...

Buying or restoring an Acura RSX? Learn where to check the VIN, engine number and transmission identification before assuming the drivetrain is original.
Factory LS1 press-fit piston pin compared with aftermarket full-floating wrist pin and retaining locks

LS1 Press-Fit vs. Full-Floating Wrist Pins: What’s the Difference?

Factory LS1 wrist pins use a press-fit connecting-rod arrangement, while many aftermarket combinations use full-floating pins and retaining locks. Learn how each design works and which measurements matter.

Five Warning Signs that you need new tires

Knowing when you need new tires is an important part of vehicle maintenance. Keeping your vehicle planted on the ground and providing the grip...

How To Test a Ford Mustang Mass Airflow Sensor

The MAF sensor in your Ford is otherwise known as the Mustang Mass Airflow Sensor. The MAF is responsible for reading the airflow entering your...