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Home >> Mercury >> 2009 >> Mariner Base, 2.5 7, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 154 (Fuel System - General Information) >> Diagnostic Tests >> Fuel System >> Symptom Chart

Symptom Chart

WARNING: This page is about a different car, the 2009 Mercury Grand Marquis and 2009 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
Symptom Chart

Condition Possible Sources Action
  • Slow to fill
  • Fuel tank filler pipe
  • Fuel tank filler pipe fresh air hose or recirculation tube, if equipped
  • Evaporative Emission (EVAP) system
  • Fuel tank filler pipe check valve (part of the fuel tank filler pipe assembly)
  • Fuel Limit Vent Valve (FLVV) (mounted on the fuel tank)
  • All other fuel system concerns
  • Fuel system components