Mass air flow sensors fail most often in cars but a $20 air filter replacement every 12,000 miles prevents the $250-400 repair bills most drivers face.

Electronic fuel injection was a big leap forward for engine control. However, early implementations often left something to be desired. This was the case for [Rob] and his Porsche 944, which had ...

When the Tuned Port fuel-injection system arrived in 1985, it was asignificant improvement on the throttle-body systems that came before.Much cooler looking and with more power potential, the Tuned ...

A mechanic reported being completely stunned after finding a "happy face" inside the engine of a 2020 Toyota Rav4.