Engine How To

There can be many reasons for you to test your throttle position sensor in your Ford Mustang. The throttle position sensor (TPS) may have...

One of the most overlooked modifications on any vehicle is the grounds that provide an essential ying to the battery and charging systems yang....

CARB is an acronym that many enthusiasts that live in California are more than familiar with in relation to modified parts, and is named...

The boost gauge is one of the most important items you can ever install in your turbocharged or supercharged vehicle. The importance of this...

When your Focus check engine light is on, it can be a stressful time for any Ford owner. Today I'll be showing...

One failed sensor can pull down a shared 5-volt reference circuit and make several unrelated systems report trouble at the same time....

Crankwalk is a term given to excessive play between your crankshaft and thrust bearing, which will put excessive side load or uneven load on...

California’s SB 1069 lets experienced manufacturers seek conditional approval for tested aftermarket parts while CARB finishes its EO review. It does not legalize every modification.