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2002 Chevrolet Mali...
 
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2002 Chevrolet Malibu 3.1L P0442 P0443 P0449

  

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What components do I need to replace or test?  Where are they located? How do I test suggested components?


2 Answers
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First try a new gas cap.  It may be that simple.  If that doesn't fix it, then you should probably replace the purge control valve and the EVAP vent valve solenoid.  See below;

https://www.chevymalibuforum.com/threads/2002-malibu-evap-filter-location.8933/


Gas cap changed. Where is the purge valve and EVAP solenoid located? How do I test them?


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Driver's side rear wheel well top.  Solenoid location on engine, see below -

https://www.2carpros.com/questions/2006-chevrolet-malibu-evap-trouble


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