Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
Do you have a scan tool that will command the purge solenoid?
If not that's ok, we can still test it:
Remove the vapor line from the charcoal canister coming from the fuel tank.If the problem is gone, reinstall that hose and remove the vent line going to the vent solenoid. If the problem is gone, check for a restricted vent system.
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Yes, you will have to remove it and drive it to the station. Kind of a pain, I know. If you already replaced the vent valve, then you will need to pull the filler neck and check for debris in the full neck screen and the vent tube. Sometimes they get jammed up with dust and dirt.
I just wanted to see if you needed any additional help with this.
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