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Old 04-30-2012, 11:39 AM   #1
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P0457 & P0456 code Help...

About two weeks ago my 06 4.0 threw P0457.. Gas cap... Fixed. Yesterday I got both P0457 & P0456. My question, is what do i need to inspect to check for an e-vap leak & what should i be looking for?? Thanks!!

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Old 04-08-2015, 11:12 AM   #2
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p0456,p0457

i keep getting these codes and cant find the problem , anyone?

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Old 04-08-2015, 03:45 PM   #3
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Your going to have to take it to a shop the has a smoke tester. They will use smoke to find the leak.
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