i did some checking this am and pontiac knows of the problem i think. enginering is working on a fix. ill keep you posted.it would be a good idea to have your pontiac dealer know of this problem and have them write up a repair order and document the complaint just like you have said. i have been a gm mechanic for over 25 years and this is a new one on me too. paul in iowa.
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tallpaul
2004 buick regal ls sedan
sterling silver-graphite leather interior
1994 olds ciera s sedan
adriatic blue-drk blue interior
P195-70/R14 uniroyal tiger paw touring radials mounted on factory olds aluminum wheels.