FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Fuel Dosing Pump

The dosing pump is a combined delivery, dosing and shut-off system for the fuel supply to the supplemental heater from the vehicle fuel tank.

The dosing pump is an electrically operated pump that receives its operation instructions from the supplemental heater control module. The pump supplies diesel fuel from the vehicle fuel tank to the supplemental heater.