What does the code po442 mean.

2002 SATURN L300
13,250 MILES
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TRELOVER
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what does the code po442 mean I have a 02 saturn L300
Jun 25, 2012 at 1:26 AM
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IMPALASS
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Means you have a vacuum leak. Check the gas cap. Also check all hoses for small cracks, tears, splits etc.
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Jun 25, 2012 at 1:33 AM