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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

DTC P0401 – How To Test Ford F150 EGR

The Exhaust Gas Recirculation Valve inside of your Ford F-150 is responsible for scavenging exhaust gases from the intake and route them to reduce emissions....
Acura RSX high-idle diagnosis showing throttle body, vacuum leak, IACV and scan-tool data

What Causes an Acura RSX to Idle Too High?

A warm Acura RSX should not remain at 1,500 or 2,000 RPM. Diagnose vacuum leaks, throttle operation, IACV control and PCM sensor data before adjusting anything.

How To Modify S550 Mustang

The success of the all new Ford Mustang has plenty of new owners scrambling to modify and tune their muscle car.  However that's causing...

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...

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...

How to Reset Ford Fiesta Oil Service Light

The oil service light in your Ford Fiesta is a gentle way to remind you to take your Ford in for regularly scheduled maintenance....

DTC P1349- How To Replace a VVTi Oil Control Filter

The variable valve technology found in Toyota's 3.0 liter 2JZGE engine is nothing new, but it's definitely a trouble code that can...

How To Test a Ford Fiesta MAF

The Mass Air Flow (MAF) sensor in your 1.6 liter turbocharged Ford Fiesta is a very important piece of your Ecoboost EFI puzzle. Providing...