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Home >> Ford >> 2009 >> Flex Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1611 (Fuel System - General Information) >> Diagnostic Tests >> Fuel System >> Symptom Chart

Symptom Chart

WARNING: This page is about a different car, the 2009 Mercury Sable, 2009 Ford Taurus X, and 2009 Ford Taurus. 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 vent tube, if equipped
  • Evaporative emission (EVAP) system
  • Fuel tank inlet check valve (part of the fuel tank)
  • Fuel level vent valve (part of the fuel pump [FP] module on Taurus X federal emission vehicles, part of the fuel tank on all other vehicles)
  • All other fuel system concerns
  • Fuel system components