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Technical Service Bulletins and Recalls

Check Engine light code p0455 and p0456 for 2007 Liberty


This is a discussion on Check Engine light code p0455 and p0456 for 2007 Liberty within the Technical Service Bulletins and Recalls forums, part of the General Forums category!
I have a 2007 jeep liberty that I bought earlier this year. The code p0455 and p0456 recently popped up ...

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Old 08-14-2018, 07:45 PM   #1 (permalink)
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Default Check Engine light code p0455 and p0456 for 2007 Liberty

I have a 2007 jeep liberty that I bought earlier this year. The code p0455 and p0456 recently popped up and my first response was to replace the gas cap since that is a common issue related to those codes. After replacing it twice the codes came back both times. During idle the car seems to run rough but I'm not sure if that's related to the issue. I haven't noticed any leaks under the car. If anyone has an idea of what the issue could be thatd be much appreciated.
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