I replaced the big O-ring seal that goes between the unit and the fuel tank, that didn't help. There are two quick disconnect hoses (one a return, one a pickup) that is on the unit. Inside those hoses there is a small blue O-ring that I think is the culprit on one of the hoses. Trying to find whether I can just replace that tiny O-ring.... but knowing Porsche, I probably have to buy the entire hose. Which it seems like the only way to replace that is to drop the fuel tank.
Does anyone have a full parts list where I could get a particular part number for this little part?
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