Poor Fuel Fill Quality
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Test for the following conditions that is applicable to the current symptom.
Difficult to Fill
- Restricted vent lines
- The evaporative emission (EVAP) vent valve is stuck closed
- High fuel temperature
- A condition with the internal components of the fuel tank assembly.
For more information, refer to:
- Evaporative Emissions Hose Routing Diagram
- Fuel System Description
- Evaporative Emission Control System Description
Fuel Odor
- Saturated EVAP canister-Refer to Evaporative Emission Control System Description .
- A condition with the internal components of the fuel tank assembly-Refer to Fuel System Description .