Fuel Injection System - Diesel: Description

The fuel injection system used on Mercedes diesel models includes the following components: pre-filter, main filter, fuel injection pump with mechanical governor, and injection nozzles. The Mercedes diesel has an Electronic Diesel System (EDS). In addition, the injection pump is equipped with an altitude compensating device, vacuum control shut-off unit and on Calif. models a fuel rack position sensor. A glow plug system is used to assist in cold starting operation.