Poor Fuel Fill Quality
WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
Poor Fuel Fill Quality
| Condition |
Causes |
| 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)
|
| Liquid to EVAP canister. |
- Fill limiter vent valve stuck open or leaking
- Over filled fuel tank (cramming during fueling)
|
| Liquid leak to ground |
- Pressure relief valve is stuck open, or leaking
- Fuel filler pipe loose or ruptured
- Leaking fuel tank
|
| Fuel Odor |
- Pressure relief valve stuck open, or leaking
- Saturated EVAP canister
- Seepage from fuel lank
|