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Asked by Brichrtom Nov 25, 2019 at 08:46 AM about the 2001 Pontiac Grand Prix SE

Question type: General

2001 Grand Prix 3.1 overflows when
filling gas tank-replaced vent valve
and fuel filter

4 Answers
26,245

taver91 answered 4 years ago

When you changed the vent valve, did you check to make sure the line connecting it was not plugged?

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Brichrtom answered 4 years ago

Yes I did ,I disconnected it at both ends and blew air thru it with a compressor making sure air came out,I changed the fuel filter also just in case—-does this car have an evap canister

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Brichrtom answered 4 years ago

Yes I did blew air thru it with a compressor making sure air was coming out-does it have a evap canister?

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26,245

taver91 answered 4 years ago

I believe so. A good hint is that the return line to the gas tank neck is present. The canister is usually in the engine bay. The vent line attaches to it.

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