P0455 code - Pontiac GTO Forum
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post #1 of 2 (permalink) Old 09-03-2018, 11:24 AM Thread Starter
 
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P0455 code

I've replaced all parts related to the evap system including a smoke test and this code keeps coming back. Should I just shut it off? Anyone else irritated with this problem? Seems to have appeared after catch can install but can't be for sure.
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post #2 of 2 (permalink) Old 09-04-2018, 01:17 AM
 
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Have you checked the gas cap for a leak?

Larry

2005 GTO Quick - 1984 Honda V65 Magna Quicker - 2004 Z06 Quickest
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