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Another CEL P0446 question
Well...after getting a P0446 code on my 98 Boxster a couple of months ago I replaced the old gas cap with a new one after noticing the o-ring inside the cap has some cracks.
After the old cap was replaced and the CEL code cleared, I drove the car for the next couple of months assuming the problem was solved since the CEL never returned....UNTIL TODAY. As I was driving to its "winter storage" location the CEL P0446 returned.
Question: Can topping off the fuel (beyond the gas station's fuel pumps "auto-shut off") cause fuel to mess with the evaporative canister and trigger a CEL P0446 ??
(note: About a week ago I topped off the fuel tank in preparation for its winter storage and drove it for about 30 miles afterwards)
(note: The new cap is an OEM cap)
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98' Boxster
Last edited by Rob175; 11-29-2024 at 08:52 AM.
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