DME Code P0455 EVAP leake
I have a 2006 997 S with X 50 Power Pack on engine.
The Check Engine Light and OBD reading gives a code of P0455 indicating a leak in the EVAP system.
Mechanic smoke tested the system and “no leaks found”. Replaced the gas cap with updated part. Cleared fault codes and did Vehicle Handoff to reset all control modules. Tested cold to warm 10 drive cycles and no fault codes registered. 50 miles later the same CEL came on. Any ideas what the problem can be?? Thanks.
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