Repairing Auto

Check engine light help from master mechanics and the you fix cars website. Straight answers to why service engine lights come on and how to repair them.

The gas cap code explained. Learn about Evap diagnostic trouble codes that turn on the check engine light. Video that shows the P0440 diagnostic chart.

Recent letter:
Dear Matt,
The charcoal canister on my 2002 Camry needs replacing. The dealer wants $650 to replace it. I called a local auto parts store and I can buy a…

Learn automotive engine principles from a Master technician. Diagnosis and repair of automobile engines simplified with the knowledge of how they work.

For some people it’s not enough to make an honest living. It’s not as if there’s not enough honest repair work out there, but poorly run shops quickly burn through…

Auto repair videos help you fix cars at home. Master mechanic provides short videos about a wide variety of auto repair subjects for diy car mechanics.

Automotive engine video that shows you how the internal combustion engine works. Watch as the motor is assembled in a rotating view. Learn how engines work.

Automotive wiring diagrams for your specific vehicle. And a video that shows you how to use them for diagnosis and repair of common electrical problems.

I’m not talking about your beach behavior, this is an urgent request to keep your windshield clean this summer. All winter long, especially in snowy regions, people stay on top…

You read it right. We’re talking about improving your car or truck’s gas mileage — by changing the light bulbs? How is this possible? I have no clue. But the…