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P0442 code

Jeeps&Fords

Active Member
Joined
August 30, 2004
Messages
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City, State
San Diego, CA
Year, Model & Trim Level
'97 XLT 5.0 AWD
Just wanted to share my experience with fixing this code. The code description is a minor leak in the evap system. Well, I went back through old postings and most problems seemed to be with the purge valve. So, I removed my valve, disassembled it and blew it out with air. I then verified that the solenoid was functioning. Put it back together and the code came back a day later.

Reading through the manual, I saw that a faulty gas cap can cause this error. I pulled my cap and found that the gasket was twisted, or rolled would be a better description. I carefully straightened it out with a screwdriver and popped it back into place. Viola! No more code.
 






Thanks for sharing!
 






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