2004 Silverado 2500 HD
Asked by Guru999RQL Sep 29, 2020 at 01:07 PM about the 2004 Chevrolet Silverado 2500HD Extended Cab 4WD
Question type: Maintenance & Repair
Fueling stops due to gas backing up in the filler tube. Why and how do I fix
this??
2 Answers
You have a venting issue. You'll need to check where the blockage is in the EVAP system.