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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1849 (Engine Controls And Fuel - 2.2L (L61) - Troubleshooting & Diagnosis) >> Poor Fuel Fill Quality

Poor Fuel Fill Quality

WARNING: This page is about a different car, the 2007 Saturn Vue. 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, Vent Valve Closed
Over fill
  • Pressure relief valve is stuck open or leaking
  • Fill limiter vent valve stuck open or leaking
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, EVAP vent valve closed
Fuel Spitback
  • Restricted EVAP canister
  • High Reid vapor pressure or high fuel temperature
  • Ignition switch ON, EVAP vent valve closed