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Old 07-01-2016, 09:54 AM   #1
phntmss
 
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Drives: 2011 Camaro SS/RS
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p0455 evap code help

I have had this code popping up for few days now. I noticed that the gas mileage has definatly been effected. Any info that my fellow camaro owners can give me would be greatly appreciated.
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Old 07-01-2016, 10:50 AM   #2
2014CamaroSSRS
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Drives: 2014 Camaro SS - 2SS, RS
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check your gas cap..

or it could be the valve inside the evap canister stuck open and would need to be replaced...
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Old 07-01-2016, 10:54 AM   #3
LIMA99
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Check with your dealerships. If it is the evap valve in the charcoal canister i believe Chevrolet is covering the replacement at full cost because of so many problems with them just sayin. Hope this helps. I had evap valve go on my 2012 ls ans they covered 300$ of it. Since then I heard they were warranty it in full.
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Old 07-01-2016, 12:26 PM   #4
camarosspower


 
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Just a thought. Get a tuner to tune it out. You don't need the evap. Doesn't hurt in any way
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