hello we replaced a harmonic balancer on a 3.4, the old one was wobbling, car ran great. put on new balancer and the car begin to buck and missfire. we put new wires and plugs. no change. put on different coils and ignition module. still not working took aff new balancer, same as old nothing different but wobble. no codes were thrown, put old one on engine runs great. got part from napa will now try dealer.
Jun 5, 2009 at 5:40 PM
