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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

How To Reset Your Nissan Altima TPMS

The Nissan Altima has enjoyed a successful run with over five generations culminating in the L33, which was first introduced in 2013. The latest...

FAQ : How To Test Your Honda Main Relay

The PGM-FI Honda main relay failure is a very common issue among Honda/Acuras and often times people may mis-diagnose the symptoms, or replace a...
2026 Toyota C-HR EV illustrating the regenerative-braking software recall that can cause propulsion loss

Toyota C-HR EV Recall: Regenerative Braking Can Shut Down the Drivetrain

Toyota is recalling 8,521 C-HR EVs because faulty regenerative-braking software can overcharge the battery and shut down propulsion while driving.
how diesel engines work

FAQ : How Diesel Engines Work

When it comes to diesel engines, there's a fair bit of misinformation that can confuse you. Although it is still an internal...
Battery registration tells a vehicle’s charging system that a new 12-volt battery has been installed. Learn when registration or coding is required.

What Is Battery Registration, and Does Your Car Need It?

Battery registration is an electronic service procedure that tells a vehicle’s battery-management system that a new 12-volt battery has been installed.

FAQ – How to Wire your VQ35 Swap

The VQ35DE is a strikingly divisive engine when it comes to winning the hearts of aftermarket enthusiasts. For some it's a disappointing platform to...

How To Reset Your Honda Ridgeline Maintenance Light

The Ridgeline maintenance light takes form of a small yellow wrench on your Honda truck's dash, and serves as a reminder for you to change...
2002–2003 Acura RSX DC5 diagram showing VIN, K20A2 and K20A3 engine number locations, and MRMA, W2M5, and X2M5 transmission identification codes.

Where Are the VIN, Engine Number and Transmission Number Located on a 2002–2003 Acura...

Buying or restoring an Acura RSX? Learn where to check the VIN, engine number and transmission identification before assuming the drivetrain is original.