why does my engine load up after getting fuel on 2004 Chevrolet Express 2500

also does the same thing when backing in a steep drive way it happens intermittentley i can clear it out by revving the engine

1 answer 1 comment
Most likely the fuel pump pump is going bad. Will need to check pressure and volume. They go bad right around 100k.
I found that to be the EVAP Purge Control Solenoid located at the throttle body. Everytime i filled up with gas van didn't want to start. This fixed it.