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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 wiring load test showing 12 volts with no load and voltage collapsing under load due to a corroded high-resistance connector.

How to Load-Test Automotive Wiring: Why 12 Volts Doesn’t Mean the Circuit Is Good

Seeing 12 volts at a connector doesn't prove the circuit is healthy. Learn how automotive wiring load tests expose corrosion, weak terminals, damaged wires and other hidden resistance.

FAQ : How To Test Your Starter

There's nothing more annoying that trying to start your car and hearing the ever ominous "click" of your starter solenoid going out, not to...

FAQ – What is the Nissan JDM CA18DET?

One of the more underappreciated and understated JDM engine sets is the Nissan JDM CA18DET. The CA18DET is a 1.8 liter turbocharged four cylinder...

How To Use a Multimeter

Easily one of the most common questions we receive here at Pro Street is from customers or users wanting to know how to use...

How To Change your Ford Taurus Spark Plugs

The spark plugs in your Ford Taurus are there to ignite the air fuel mixture in your combustion chamber. This creates the kinetic energy...

How To Test a Ford Mustang Mass Airflow Sensor

The MAF sensor in your Ford is otherwise known as the Mustang Mass Airflow Sensor. The MAF is responsible for reading the airflow entering your...

How To Ford Escape Stereo Wiring Diagram

When it's time for you to upgrade your Ford Escape stereo, or replace the factory head unit in your Escape there's quite a few...

How To Test a Chevy Cavalier MAP Sensor

The Chevy Cavalier MAP Sensor is a barometric pressure sensor that's designed to deliver information about the air coming into your engine. This MAP sensor...