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Recent content by supersport1986

  1. S

    is this normall???

    i just got an 06 gp gxp with 46,000 miles. when driving at a steady speed the rpm fluctuates 500 rpm. some times it does it almost all the time then sometimes it just does it every now and then. it doesnt jerk, its very smooth when it does it. you can hear the exhaust change tone, and see the...
  2. S

    2006 grand prix GXP questions

    just bought the car yesterday! im not sure if i have a problem or not. when at crusing speed around 60mph the rpm varies between 1500-2000 frequently. i think its the displacment on demand. it just seems to do it more than it should. any ideas? is this normal?
  3. S

    Hi from Ohio

    just bought an 06 grand prix gxp.
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