The fuel pressure regulator may be small, but it plays a big role. Learn what it does for your engine and how a failing one can affect performance.

Extra power is fun, but there comes a time when issues need to be addressed. At some point, many will replace a broken engine or rebuild in anticipation of more output. In either case, it's likely you ...

Today's high-performance engines are able to deliver horsepower numbers unheard of 10 years ago. With better-flowing cylinder heads, ignition systems, and camshaft profiles, the potential for huge ...

I’m trying to work out why my 2006 Volkswagen Passat recently started stalling while I am driving. Also, in the past three months it randomly doesn't have enough fuel to start, even though it has more ...

The Irish scientist Robert Boyle investigated the relationship between pressure and volume in the 17th century. He trapped a bubble of air at the sealed end of a J-shaped tube using liquid mercury. He ...

The fuel tank pressure sensor is part of the fuel pump assembly and is mounted on top of the tank or inside the tank. It’s part of the evaporative emissions system (commonly referred to as “EVAP”) and ...