GM Service Manual Online
For 1990-2009 cars only

Condition

Cause

Definition: During the fueling process a continual, occasional or no fuel nozzle shut-off condition has occurred.

Preliminary

Perform the Diagnostic System Check - Engine Controls .

Occasional shut-off of the fuel dispensing nozzle

    • Fill limiter vent valve stuck closed
    • Restricted evaporative emission (EVAP) canister
    • EVAP vent valve stuck closed.
    • High Reid vapor pressure or high fuel temperature
    • Fuel filler hose is pinched or kinked.

Continual shut-off of the fuel dispensing nozzle

    • Fill limiter vent valve stuck closed
    • EVAP canister blocked
    • EVAP vent valve stuck closed
    • Restricted or pinched EVAP vapor lines
    • Blocked fuel filler hose/pipe or fuel fill check valve

No nozzle shut-off/Over fill

    • Pressure relief valve is stuck open or leaking.
    • Fill limiter vent valve is stuck open or leaking.