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Fuel Selector Valve: Description: Notes

Two fuel selector valves are used. Gasoline engine models use a mechanically-activated dual function reservoir, while diesel equipped vehicles use a 6-port fuel selector valve.

The dual function reservoir combines reservoir/filter function with tank selector valve function. The dual function reservoir system uses 3 fuel pumps: 2 low pressure pumps in tank and one external high pressure pump. The 6-port fuel selector valve does not contain a filter or reservoir and a single mechanical fuel pump.

Fig 1: Exploded View of Dual Function Reservoir
G71091Courtesy of FORD MOTOR CO.
Fig 2: Dual Function Reservoir Fuel Flow
G117096Courtesy of FORD MOTOR CO.