If you're the type that loves to keep a clean car, chances are you've popped the hood and given your engine a thorough scrubbing. From degreasing to gingerly rinsing it with a hose and scrubbing it ...

We may receive a commission on purchases made from links. Diesel engines, known for their great fuel efficiency, are sensitive to cold temperatures. Instead of using spark plugs, as gasoline-powered ...

We may receive a commission on purchases made from links. The throttle body is a vital component of a fuel-injected internal combustion engine. It has a pivoting butterfly valve or throttle plate to ...

Positive Crankcase Ventilation—three dirty words, but do they really need to be perceived that way? In general, the PCV system has two main functions: vapor relief and liquid separation. PCV systems ...

The demon of engine knock is something an owner of a traditional high-performance Pontiac knows all too well. An engine designed when 102-octane high test was at almost every fuel station in the ...

Although internal combustion engines rely on burning fuel and air to run, they do need some help starting up in the first place. In the old days, that could mean standing outside your car and getting ...