Symptom Chart: Fuel System

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

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 - INTRODUCTION (EXCEPT DIESEL & HYBRID) (SECTION 0) .

CONDITION AND POSSIBLE CAUSES

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 Diagnostic Routine A: Slow to Fill. GO to PINPOINT TEST A
All other fuel system concerns	Fuel system components	Refer to ENGINE CONTROLS - INTRODUCTION (EXCEPT DIESEL & HYBRID) (SECTION 0) .