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Tank venting, does not fill well at gas station, runs rich 850 1995

We had an 04 XC70 that would be difficult to fill at the Gas station. After many conflicting theories I came across on this site, I decided to try one I found. The filler neck has a slender hose running up towards the fuel inlet. I detached this hose at a connection point while lying under the car and blew one strong blow from my mouth into the hose. Much resistance at first then it popped and was clear. Never had a fill problem after that. The theory is the some bug has nested in this location although that seems a strange place to build a nest. Fumes.






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New Tank venting, does not fill well at gas station, runs rich [850][1995]
posted by  Three5bangers  on Wed Nov 24 14:07 CST 2021 >


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