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Home >> Lincoln >> 2017 >> Navigator Select, 4WD >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System - General Information >> Diagnosis And Testing >> Fuel System >> Symptom Chart

Symptom Chart

Condition Possible Sources Action
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, if equipped (part of the Fuel Pump(FP) module)
GO to Pinpoint Test A .
All other fuel system concerns Fuel system components REFER to the Engine Controls - Symptom Charts (Except Diesel & Hybrid) .