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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!

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P0135 Ford

P0135 Ford 2.3L – Test a Ranger 02 Sensor

The P0135 Ford OBDII check engine trouble code signals an issue with your upstream oxygen Ranger 02 Sensor. The specific error code...

How To Shop for Car Covers

Whether you are preparing to tuck your car away for the winter, or just want it looking it's best for the weekend ahead, there...

FAQ : How to Diagnose a Blown Head Gasket

We get this question more often than not unfortunately, especially for those customers running a air-to-air intercooler or another sort of heat exchanger in...

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...

How To Fix – Ford Focus P1100 Trouble Code

When your Focus check engine light is on, it can be a stressful time for any Ford owner. Today I'll be showing...
A CAN bus resistance test can reveal missing termination, shorted wiring and open circuits. Here’s how to test pins 6 and 14 safely.

How to Test CAN Bus Resistance at the OBD-II Port

A CAN bus resistance test can quickly reveal missing termination, shorted wiring and basic network-integrity problems. On many high-speed automotive CAN networks,...

How To Test a Mazda Protege MAF Sensor

Responsible for providing your Mazda ECU with the information it needs to properly operate your engine, the Mazda Protege MAF sensor can go bad...

FAQ – S15 SR20DET ECU PINOUT

The blacktop SR20DET has certainly enjoyed a colorful production run until it's eventual removal from the Nissan lineup in 2002. Fans of the Nissan...