Just purchased the 2008 Impala SS. When driving at a steady speed the engine will give off a vibration when giving it a little gas to keep the same speed. Has anyone had this problem? It seems like its having trouble going back into 8 cylinder mode.
We're experiencing same issue on 2008 Impala SS.....after tech checks tires, he decided to order 2 new front rotors. Did you ever resolve your issue and what was the problem? I don't agree with the techs troubleshooting. its only got 75 miles on it.....Yeeeech!
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