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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 Test a Ford Explorer Blower Motor Switch

It's never a good time when the climate control unit in your Ford Explorer stops working. When your Explorer air vents don't blow air,...

How To Test a Infiniti EX35 IVT Solenoid

The intake variable timing mechanism in your 3.5 liter Infiniti EX35 is controlled by the EX35 IVT Solenoid. These solenoids are also found in other VQ35...
LS1 powdered-metal cracked-cap connecting rod showing the fractured cap mating surface

What Are LS1 Cracked-Cap Connecting Rods? How GM’s Fractured Rod Design Works

Factory LS1 connecting rods use a **powdered-metal cracked-cap design** with uniquely matched fracture surfaces. Learn why rod caps must stay with their original rods, how the design works, and what to inspect before reusing factory LS1 rods.
Automotive PCM pull-up and pull-down circuit diagrams showing open and grounded sensor voltage readings

Automotive Pull-Up and Pull-Down Circuits Explained

An automotive pull-up circuit uses a resistor to hold a module input near a known voltage when no sensor, switch or transistor...

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...

LS1 ECU Pinout – 1999-2002

Rounding out our LS1 engine guide is our LS1 ECU pinout article for year ranges between 1999-2002 F-body vehicles. This ECU pinout is accurate...

How To Reset Your Nissan Altima TPMS

The Nissan Altima has enjoyed a successful run with over five generations culminating in the L33, which was first introduced in 2013. The latest...

What is the SAFC?

Today we'll be talking about the Apexi Super AFC, and How to Setup the Apexi Super AFC as well as it's many many variations. We...