Got a P0440 code today. Checked gas cap and didn’t find an issue. Crawled under and found mice chewed through the vent lines on top of the tank. Can I replace the nipple on top of the tank or is that plastic welded to the tank? I figure I’d order parts before I drop the tank. I can’t seem to find that nipple online.
02 Denali xl
- Thread starter Bigtrite
- Start date
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@915_Tahoe is a parts guru. He’ll need your VIN.
