For 1990-2009 cars

Concern | Causes
--- | ---
DEFINITION: Difficulty when refueling the vehicle.
Difficult to fill |

• | The check valve is stuck closed.

• | The fill limiter vent valve is stuck closed.

• | The evaporative emission (EVAP) canister is drain hose is blocked or restricted.

• | The EVAP canister drain line check ball is stuck closed.

• | Any restricted vapor lines or hoses

• | The EVAP canister is blocked or restricted

• | A fuel with high reid vapor pressure characteristics.

• | A high fuel temperature

• | The fuel filler hose/pipe is pinched, kinked, or blocked.

Over fill |

• | The pressure relief valve in the fill limiter vent valve (FLVV) is stuck open.

• | The pressure relief valve in the FLVV is leaking.

• | The FLVV is stuck open.

• | The FLVV is leaking.

Pre-mature shut-off of the fuel dispensing nozzle |

• | The fill limiter vent valve (FLVV) is stuck closed.

• | The EVAP canister is restricted.

• | The evaporative emission (EVAP) canister is drain hose is blocked or restricted.

• | The EVAP canister drain line check ball is stuck closed.

• | Any restricted fuel vapor lines

• | A fuel with high reid vapor pressure characteristics

• | A high fuel temperature

Fuel spitback |

• | The check valve is stuck open.

• | The check valve is stuck closed.

• | The check valve is leaking.

• | A fuel with high reid vapor pressure characteristics.

• | A high fuel temperature

Liquid fuel in the EVAP canister |

• | The fill limiter vent valve (FLVV) is stuck open.

• | The FLVV is leaking.

Liquid fuel leak |

• | The pressure relief valve in the fill limiter vent valve (FLVV) is stuck open.

• | The pressure relief valve in the FLVV is leaking.

• | The fuel filler hose is loose or torn.

• | The FLVV is stuck open.

Fuel odor |

• | The pressure relief valve in the fuel limiter vent valve (FLVV) is stuck open.

• | The pressure relief valve in the FLVV is leaking.

• | The EVAP canister is saturated with fuel.