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Home >> Cadillac >> 2004 >> CTS Base, 3.6 7 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Controls - 2.6L & 3.2L - Troubleshooting & Diagnosis) >> Troubleshooting >> Poor Fuel Fill Quality

Poor Fuel Fill Quality

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Poor Fuel Fill Quality

Condition Causes
DEFINITION: Difficulty when refueling the vehicle.
Difficult to fill
  • Restricted vent lines
  • The evaporative emission (EVAP) vent valve is stuck closed
  • High fuel temperature
  • Condition with the internal components of the fuel tank assembly
Over fill Condition with the internal components of the fuel tank assembly
Pre-mature shut-off of the fuel dispensing nozzle
  • The EVAP vent valve is stuck closed
  • Restricted vent lines
  • High reid vapor pressure or high fuel temperature
  • Condition with the internal components of the fuel tank assembly
Fuel Spitback
  • High reid vapor pressure or high fuel temperature
  • Condition with the internal components of the fuel tank assembly
Fuel Odor
  • Saturated EVAP canister
  • Condition with the internal components of the fuel tank assembly