Direct-port electronic fuel-injection may be the ultimate fuel metering system, but unfortunately it is also by far the most expensive. Presently available systems are based on factory electronic fuel ...

From limp mode scares to rough idles, throttle system issues can turn your Mercedes from a dream ride into a daily frustration. Understanding common failures like actuator wiring faults, sensor ...

Imagine a turbocharger trying to pressurize a carburetor with its small venturis and finicky floats and you can get some idea why electronic fuel injection opened the door to big boost, big power, big ...