Symptom Chart: Fuel System

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.

REFER to: Diagnostic Methods ( DIAGNOSTIC METHODS ).

for information regarding Ford-specific diagnostic practices.

NOTE: The following procedure diagnoses a slow to fill concern only. For all other concerns, refer to ENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (EXCEPT DIESEL & HYBRID) .

Symptom Chart

Condition	Possible Sources	Actions
Slow to fill	Fuel tank filler pipe Fuel tank filler pipe vent tube, if equipped Evaporative Emission (EVAP) system Fuel tank inlet check valve (part of the fuel tank) Fuel level vent valve (part of the fuel tank)	Refer to Pinpoint Test A : Slow to Fill.
All other fuel system concerns	Fuel system components	ENGINE CONTROLS - POWERTRAIN DTC CHARTS & DESCRIPTIONS (EXCEPT DIESEL & HYBRID)