Possible Causes & Corrections
WARNING: This page does not describe the selected car, but rather 19 other vehicles, including the 2003 Hummer H2, 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 GMC Sierra, and 2003 GMC Savana Special. However, it is still accessible from the selected car via links, so may be relevant.
Check the following items:
- Check valve is stuck closed.
- Fill limiter vent valve is stuck closed.
- Evaporative Emission (EVAP) canister is restricted.
- EVAP canister vent solenoid is stuck closed.
- Restricted EVAP pipes.
- High Reid Vapor Pressure (RVP).
- High fuel temperature.
- The fuel filler hose/pipe is pinched, kinked or blocked.
- The fuel feed hose or crossover hose is pinched, kinked or blocked.
- The ignition switch is on.
Check the following items:
- Pressure relief valve in fill limiter vent valve is stuck open.
- Pressure relief valve in fill limiter vent is valve leaking.
- Fill limiter vent valve is stuck open.
- Fill limiter vent valve is leaking.
Check the following items:
- Check valve is stuck closed.
- Fill limiter vent valve is stuck closed.
- EVAP canister is restricted.
- EVAP canister vent solenoid is stuck closed.
- EVAP canister is restricted.
- EVAP canister vent solenoid is stuck closed.
- Restricted EVAP pipes.
- High Reid Vapor Pressure (RVP).
- High fuel temperature.
- The fuel filler hose/pipe is pinched, kinked or blocked.
- The fuel feed hose or crossover hose is pinched, kinked or blocked.
- The ignition switch is on.
Check the following items:
- Check valve is stuck open.
- Check valve is stuck closed.
- Check valve is leaking.
- High Reid Vapor Pressure (RVP).
- High fuel temperature.
Check the following items:
- Fill limiter vent valve is stuck open.
- Fill limiter vent valve is leaking.
Check the following items:
- Pressure relief valve in fill limiter vent valve is stuck open.
- Pressure relief valve in fill limiter vent valve is leaking.
- Fuel filler hose is loose or torn.
- Fuel feed hose or crossover hose is loose or torn.
- Fill limiter vent valve is stuck open.
Check the following items:
- Pressure relief valve in fill limiter vent valve is stuck open.
- Pressure relief valve in fill limiter vent valve is leaking.
- EVAP canister is saturated.