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Hi Im David, thanks for visiting the site. the most common cause for p0442 is a loose or faulty gas cap, but the probable cause is a small leak in the evap lines or hoses. I recommend having a smoke test done on the evap system to pin point the leak.
the common problem is a gas cap. the only other COMMON problem is a leak in the evap lines or hoses.
Have a smoke test done and please get back to me with the results so I can close this out. thank you
checking in to see how its going
I am contacting you because the post has not been closed or rated.
This question is coming up on 7 days which means it will time out and close.
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Let me help some more. Is there anything else I can help you with?