Medium Duty

System Identification:

FUEL PUMP SYSTEMS

There are four types of fuel pump systems:
TYPE 1 - Single tank, single pump
TYPE 2 - Single tank, dual pump
TYPE 3 - Dual tank with electric selector valve
TYPE 4 - Dual tank with mechanical selector valve/reservoir

This vehicle uses the following:



TYPE 2 - Single tank, dual pump
TYPE 4 - Dual tank with mechanical selector valve/reservoir