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Home >> Buick >> 2004 >> Century Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 153 (Engine Controls (Troubleshooting & Diagnosis) - 3.8L) >> Troubleshooting >> Poor Fuel Fill Quality

Poor Fuel Fill Quality

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
Poor Fuel Fill Quality

Problem Causes
DEFINITION: During the fueling process a continual, occasional or no fuel nozzle shut-off condition has occurred.
Difficult to fill
  • Fill limiter vent valve stuck closed
  • Evaporative emission (EVAP) canister restricted
  • EVAP vent valve stuck closed
  • Restricted vapor lines
  • High reid vapor pressure or high fuel temperature
  • Fuel filler hose is pinched or kinked
  • Ignition switch ON.
Pre-mature shut-off of the fuel dispensing nozzle
  • Fill limiter vent valve stuck closed
  • EVAP canister restricted
  • EVAP vent valve stuck closed
  • Restricted vapor lines
  • High reid vapor pressure or high fuel temperature
  • Ignition switch ON
Fuel Spitback
  • Restricted EVAP canister
  • High reid vapor pressure or high fuel temperature
  • Ignition switch ON (EVAP vent valve closed)
  • Fuel filler hose is pinched or kinked