Most modern vehicles have multi-port fuel injection (MFI) with a separate fuel injector for each cylinder. This system mixes the fuel and air together right in the intake port for eachengine cylinder ...

GM has released an updated fix for a fuel injector flow rate issue affecting certain units of the Chevy Trax crossover, revising an earlier Service Update.

Fuel injectors rarely get the same attention as turbochargers, superchargers, or cylinder heads, but they play a far more critical role than most enthusiasts realize. Every fuel-injected engine, ...

We earn commissions from purchases you make using links in our articles. Learn more. Fuel injector cleaners can help increase your car's performance and fuel economy. It's the easiest way to clean ...

Intake air and fueling are the primary components of the diesel performance formula. And, in theory, the more there is of each, the better a diesel engine will perform—provided the air and fuel are ...

Q: I have a 2004 Toyota Camry with 55,000 miles on it. While the car was in the dealership for an oil change, they recommended a "power steering flush" and "fuel injection service" involving a ...