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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 Escort TPS Sensor

Your Ford Escort TPS sensor is how your ECU knows how much your throttle body or throttle blade is opened. When the 2.0 liter...

How To Find your Honda Engine Code

This question is a very common one that we are asked frequently, from people who aren't sure of the full four digit engine code...
2002–2003 Acura RSX K20 fuel pressure test showing the factory 47–52 PSI specification and fuel system components.

What Fuel Pressure Should a 2002–2003 Acura RSX Have?

The 2002–2003 Acura RSX factory fuel pressure specification is 47–52 PSI (320–370 kPa). Here’s how to test K20 fuel pressure and diagnose readings outside the factory range.
Elfyn Evans driving the Toyota GR Yaris Rally1 during the 2026 Rally Italia Sardegna WRC finale.

Elfyn Evans Wins His First WRC Title After Solberg Crashes Two Corners From Glory

Elfyn Evans and co-driver Scott Martin are World Rally champions for the first time after a spectacular 2026 finale at Rally Italia...

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...

FAQ : Lexus IS300 ECU Pinout

The IS300 was brought into the mainstream in 1998 and the phenomenon known has "Altezza lights" were born. Sprung from the Japanese...
LS1 camshaft being carefully guided through the cam bearings during engine assembly

LS1 Cam Bearing Damage: Why Cam Installation Can Cause Low Oil Pressure

Scratching an LS1 cam bearing during camshaft installation can contribute to reduced oil pressure. Learn how to properly lubricate, support, align, and guide the camshaft through the block without damaging the cam bearings.

How To Shop for Aftermarket Tuners – My Pro Street

Aftermarket tuning is a concept that's foreign to most car owners, but it's definitely a technology that can help everybody. When it comes to...