possible solutions to diognostic trouble code:PO44O on 2002 Chevrolet Cavalier

Evaporative emmision system fails to hold sufficient vacuum.

by in Omaha, NE on October 07, 2013
2 answers
ANSWER by , October 08, 2013
ck gas cap 1st if ok have smoke test done by your mech
ANSWER by , November 04, 2013
TRY A NEW GASCAP