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P 0455 code with check engine light

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Old 05-12-2013, 08:51 PM
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J. R.
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Default P 0455 code with check engine light
The code P 0455 H C does not show up in any of the DIC code lists I've checked. Does anyone know what it represents. My vette is a 2004...LS 1 with a Blackwing air filter and a Diablo Sport performance program upgrade. Can someone Please help me. Thanks...J. R.
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Old 05-12-2013, 09:13 PM
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calvins
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I believe it's fuel system related - check/replace the gas cap would be my first thought.
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Old 05-12-2013, 10:18 PM
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robert miller
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Originally Posted by 8VETTE7
Evaporative system leak. gas cap would be a great starting point. Loose or seal bad.
1st choice here also.. Robert
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