Fuel Conditioning Module Drain Valve (Transit)

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Fig 1: Typical Fuel Conditioning Module Drain Valve (F-650/F-750)

Courtesy of FORD MOTOR CO.

Fig 2: Typical Fuel Conditioning Module Drain Valve (All Others)

Courtesy of FORD MOTOR CO.

Courtesy of FORD MOTOR CO.

Possible Causes:

No fuel in the tank
Fuel gelled
Fuel quality
Aeration
Biodiesel-water separation, seal degradation, corrosion
Restricted fuel filters
Fuel supply line broken or crimped
Corrosion to fuel system components
Fuel pump (FP) assembly damaged (pressure regulator, pump, screen) (Transit)
Pickup tube screen in tank restricted (all others)

Tools Required:

Clear container 0.95 L (1 quart)