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Home >> Ford >> 2018 >> Mustang GT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 78 (FUEL SYSTEM - GENERAL INFORMATION - 3.5L DURATEC (212kW/278PS)) >> Diagnosis And Testing >> Fuel System >> Symptom Chart(s) >> Symptom Chart: Fuel System

Symptom Chart: Fuel System

WARNING: This page is about a different car, the 2018 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.

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 - Symptom Charts (Except Diesel & Hybrid)
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)
GO to Pinpoint Test A 
All other fuel system concerns Fuel system components Refer to Engine Controls - Symptom Charts (Except Diesel & Hybrid) .