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.

Over time and miles, your car might start to slow down. It might not accelerate as quickly as it once did; the engine ...

Fuel systems are usually considered only when the engine falls flat at the top of Second gear, telling you in no uncertain terms that your system is inadequate. How you upgrade your fuel system and ...

I own a 1991 Corvette that’s developed an unusual problem: It will not start when cold unless I squirt ether starting fluid into the intake manifold, at which point it starts immediately. Once started ...

Self-learning electronic fuel injection (EFI) systems have made converting to fuel injection far less painful. This has removed complicated EFI tuning as an excuse not to convert. But a far less ...

The US Federal Aviation Administration has proposed requiring airlines to replace fuel system processors on Boeing 737 Max jets, citing problems with fuel shut-off systems. Boeing already addressed ...