P0457 & P0456 code Help... - Jeep Wrangler Forum

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Old 04-30-2012, 12:39 PM   #1
BNotrab's Avatar
Join Date: May 2011
Location: Saint Louis, Mo
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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, 12:12 PM   #2
Join Date: Jan 2015
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i keep getting these codes and cant find the problem , anyone?

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Old 04-08-2015, 04:45 PM   #3
Join Date: Nov 2012
Location: Geneseo, NY
Posts: 387
Your going to have to take it to a shop the has a smoke tester. They will use smoke to find the leak.
I don't have a driveway, I have a parking lot!!! Kids!!
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