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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

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...

FAQ : HONDA Civic OBD0 EF ECU PINOUTS

For fans of the 1988-1991 Honda Civic / CRX and EF, as well as the 1990-1991 Acura Integra, we are adding another chapter to...

How To Install a Turbo Timer – Honda Accord

The work that the turbo timer or auto timer is responsible for is a very important one in your turbocharged vehicle. Whether you have...
California used-car buyer reviewing dealership paperwork under the new three-day CARS Act cancellation law

California’s New Three-Day Used-Car Return Law Is Now in Effect

California’s new CARS Act gives eligible used-car buyers three days to return vehicles priced under $50,000. Here’s how the mileage limit, fees, refunds and dealer requirements work.

How To Test a Ford Mustang IAT Sensor

Otherwise known as the Intake Air Temperature sensor, your Ford Mustang IAT Sensor is located in your intake piping. This unit is a two...
LS1 crankshaft undergoing magnetic-particle crack inspection under ultraviolet light

LS1 Crankshaft Crack Inspection: How Magnetic-Particle Testing Finds Hidden Damage

An LS1 crankshaft can look usable while hiding structural damage. Learn how magnetic-particle inspection helps reveal crankshaft cracks and why a cracked LS crank should be replaced.

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...

How To Prep Car for Paint

Knowing how to properly prepare a car for paint is one of the biggest and most important steps to enjoying a great looking paint...