2005 Chevy Malibu 0442 trouble code

2005 CHEVROLET MALIBU
84,000 MILES • 4 CYL • FWD • AUTOMATIC
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PYTTAP
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This car has been great. 442 & 141 codes appeared. I changed both O2 sensors, plugs, air filter, gas cap, hoses all appear to be fine. But the code has been cleared 3 times and the trouble engine light is fixed again with code 442. Any ideas?[img:4ed4de9db8]http://www.2carpros.com/forum/automotive_pictures/356588_mom_1.jpg[/img:4ed4de9db8]
May 15, 2009 at 8:55 PM
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RASMATAZ
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A code P0442 most likely means one or more of the following has happened:

•A loose or improperly affixed gas cap
•A non-conforming gas cap (i.e. not factory/original brand)
•A small leak/hole in a fuel vapor hose/tube
•Other small leak in EVAP system
•Faulty vent o-ring seal
Possible SolutionsWith a P0442, the most common repair is to:

•Remove and reinstall the gas cap, clear the codes, and drive for a day and see if the codes come back.
•Otherwise, replace the gas cap, or
•Inspect the EVAP system for cuts/holes in tubes/hoses
May 15, 2009 at 9:14 PM