P0442

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05-19-2015, 12:09 PM

connor4249

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P0442

what is the most common P0442 code problem in a 2005 s-type /vdp jaguar.

Last edited by Don B; 05-19-2015 at 02:14 PM.

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05-19-2015, 12:45 PM

Norri

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Welcome to the forum connor4249,
The easy fix would be a bad gas cap, if not you will have to dig deeper.

Don't forget to post an intro in the new members section.

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05-20-2015, 09:39 AM

Mikey

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Other than the gas cap, the next common cause is the check valve assembly. Fortunately, it's easy to replace and not too expensive. Just went through this myself last month.

Similar cases are well documented if you do a search.

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