Symptom Chart: Fuel System
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: 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 - Description & Operation (Except Diesel & Hybrid)
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| Condition | Possible Sources | Actions |
|---|---|---|
| Slow to fill | Fuel tank filler pipe Fuel tank filler pipe vent tube, if equipped EVAP system Fuel tank inlet check valve (part of the fuel tank) Fuel level vent valve (part of the fuel tank) |
Refer to GO to Pinpoint Test A |
| All other fuel system concerns | Fuel system components | Refer to Engine Controls - Description & Operation (Except Diesel & Hybrid) . |