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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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7 Bad Ignition Coil Symptoms You Should Never Ignore

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What Is PWM in a Car? Why Your Multimeter May Be Lying to You

Automotive PWM circuits rapidly switch power or ground to control components. Learn how duty cycle works and how to test it correctly.

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FAQ : Is My Exhaust Legal?

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How To Test a Honda CRV Ignition Coil

Your Honda CRV ignition coil is primarily responsible to ignite your spark plugs. This combustion is an essential part of your engine operation. When...
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The P0135 Ford OBDII check engine trouble code signals an issue with your upstream oxygen Ranger 02 Sensor. The specific error code...