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Possible solutions to diognostic trouble code:PO44O

(2002 Chevrolet Cavalier)
in Omaha, NE on October 07, 2013
Evaporative emmision system fails to hold sufficient vacuum.
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Popular Answer
of Greg's Orange Auto on October 08, 2013
ck gas cap 1st if ok have smoke test done by your mech
on November 04, 2013
TRY A NEW GASCAP
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