Tire pressure light stays on? Learn common causes, simple fixes, and when to see a professional to keep your car safe and ...

We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are under real engine conditions.

If you are unable to find this specific information for inflation of your tires, the consensus among experts is that a ...

Some time ago, I wrote about simple things you can do to get better gas mileage, which means less time and money spent at the gas pump.

The GM Duramax 3.0L LZ0 engine relies on a Diesel Particulate Filter, or DPF, to reduce emissions. Now, we're taking a closer ...

Here’s the simple rule that saves real money: buy the fuel your engine is designed to use. If the owner’s manual says regular ...