Question about 2003 Dodge Intrepid
PO456 is most times a gas cap or gasket,
to get an incorrect gear ratio the transmission has probably started to slip.
Change the fluid and filter first off in the transmission and use only atf+4 fluid and possibly the govenor pressure sensor,and change gas cap.
Posted on Jun 03, 2010
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Posted on Jan 02, 2017
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