Symptom Chart(s)
WARNING: This page is about a different car, the 2021 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
Symptom Chart: Fuel System
Diagnostics in this information assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: DIAGNOSIS AND TESTING 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)
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Symptom Chart
| 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 - INTRODUCTION (EXCEPT DIESEL & HYBRID) . |