LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Control System & Fuel System - 6.6L (LLY) - Introduction (2 Of 2)) >> Description and Operation >> Fuel System Description >> Fuel Pump

Fuel Pump

WARNING: This page is about a different variant/trim than selected.
Fig 1: Identifying Electric Fuel Prime Pump
GM1599446Courtesy of GENERAL MOTORS CORP.

An electric fuel prime pump supplies fuel to low pressure fuel system. The fuel pump is used to prime the fuel system after changing the fuel filter or servicing the fuel system. This fuel pump is powered by the fuel pump relay that is controlled by the engine control module (ECM). The pump is part of the diesel fuel conditioning module (DFCM) (2) assembly. The module assembly is located under the vehicle forward of the fuel tank.