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P0442 and p0455

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Old 13 Aug 2013, 01:47 pm
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Join Date: Mar 2013
Posts: 13
Default P0442 and p0455

i have 2 codes p0442 and p0455 both evap small and large leak is the evap sensor in the gas tank bad or any ideas i could use some help ijust changed my purge syneloid cause my car was running rough idle
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Old 13 Aug 2013, 02:08 pm
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Join Date: Aug 2013
Location: OC by the Sea
Posts: 144
Default Re: P0442 and p0455

Check out this video:

While you may not have a smoke machine to use like they do, you can get a good idea of where you should be looking for leaks.

The most likely cause is an improperly seated gas cap, but in the video you'll see the other areas that you should check as well.
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Old 13 Aug 2013, 02:19 pm
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Join Date: Mar 2013
Posts: 13
Default Re: P0442 and p0455

i know its not my gas cap i replaced it so go blowcig smoke in the lines too look for a leak if no leak its the pump?
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