Poor Fuel Fill Quality

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Inspect for restricted vent lines
Inspect for a stuck closed evaporative emission (EVAP) vent valve
Inspect for high fuel temperature
Inspect for a condition with the internal components of the fuel tank assembly
For more information, refer to the following:
- Fuel System Description (Without LC8)
- Evaporative Emission Control System Description .