Check engine light

1999 CHEVROLET MALIBU
106,000 MILES • 6 CYL • 2WD • AUTOMATIC
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I keep getting code Po442 the check engine light comes on.Took the car into the garage, they said its a false code . I still get the light about every 25 starts. Any suggestions.Laymans garage finds nothing wrong with the car.
Aug 25, 2011 at 7:00 PM
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DOCFIXIT
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Code is not false a small leak has been detected in EVAP system ie. ful tank ect. Maybe fuel cap not sealing or some component. Solution is have system smoke tested to find and repair leak
Aug 25, 2011 at 7:05 PM