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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!

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How To Hone Your Cylinders

Rebuilding and reassembling your engine can always be a stressful time, especially when you are working on your project yourself or on a budget....

Car Wiring Guide – Essential Tools

Whether you are installing a car stereo, repairing an engine harness or upgrading your car computer, car wiring is an important part of the...
Porsche Cayenne Turbo Electric launching on a drag strip during a 9.5-second quarter-mile test

The 1,139-HP Porsche Cayenne Turbo Electric Runs a 9.5-Second Quarter-Mile

Independent testing sends the 5,960-pound Porsche Cayenne Turbo Electric to 60 mph in 2.1 seconds and through the quarter-mile in 9.5 seconds.
LS1 connecting rod big-end chamfer facing the crankshaft journal fillet during engine assembly

LS1 Connecting Rod Chamfer Orientation: Which Way Should the Rod Face?

Learn which way the **LS1 connecting-rod chamfer should face**, why it must clear the crankshaft journal fillet, and how correct rod orientation helps prevent clearance problems during LS1 engine assembly.

FAQ – Honda Fit Ecu Pinouts

The RME-A11 and RME-A89 ecus are found in the 2007-2008 GD Honda Fit and Honda Jazz and can be found behind your passenger side glovebox,...

How To Test your Accord Ignition Switch

When you are having problems with your ignition switch in your Honda Accord, it can be problematic to start your vehicle or to even...
Volkswagen Mission Efficiency electric prototype demonstrating its aerodynamic 0.158-drag-coefficient body.

Volkswagen’s Mission Efficiency EV Sets a 0.158 Aerodynamic Record

Volkswagen’s Mission Efficiency prototype pairs a record-setting 0.158 drag coefficient with a modest 54.9-kWh battery and production-derived ID. Polo hardware.

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...