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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

Split graphic comparing turbocharger boost at sea level and high altitude, showing identical 15 psi boost but greater pressure ratio and turbo speed at elevation.

Does Altitude Affect Turbo Boost and Turbocharger Speed?

Turbo engines handle elevation better than naturally aspirated engines, but maintaining the same boost can require greater pressure ratio and turbo speed.

K Series Transmission Differences

It wasn't so long ago that the i-VTEC K series of engines from Honda was more bleeding edge than cutting edge for most engine...

Top Fuel Economy Myths

Everyone has heard some of these popular fuel economy myths or tactics passed on by a friend or online message board, promising increased fuel savings....

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...
New 6.7-liter GM Gen 6 LS6 V8 with aluminum block, dual port and direct fuel injection, and forged engine components in a performance engine shop.

The New GM LS6 Is More Than a Bigger LS: Inside Its Aluminum Block...

GM's new 6.7-liter LS6 isn't simply a larger version of the old LS. We examine its Gen 6 aluminum block, forged rotating assembly, revised cooling, 13.0:1 compression and new port-plus-direct fuel injection system.

How To Test a Buick Park Avenue TPS Sensor

Your Buick Park Avenue TPS is otherwise known as the throttle position sensor. It's primary job is to read the angle of your throttle...
2002–2003 Acura RSX towing guide showing flatbed transport, front-wheel-lift towing, and Honda’s emergency towing speed and distance limits.

Can You Tow a 2002–2003 Acura RSX With the Front Wheels on the Ground?

Honda recommends flatbed transportation for the 2002–2003 Acura RSX. Here's what the factory manual says about wheel-lift towing, front-wheel-down towing, speed and distance limits.

OBDII – Honda DTC Trouble Codes

OBDII HONDA DTC Trouble Codes   P1106 BARO Circuit Range/Performance P1107 BARO Circuit Low Input P1108 BARO Circuit High Input P1121 Throttle Position Lower Than Expected P1122 Throttle Position Higher...