2004 Buick Rendezvous rpms too high and wants to accelerate

2004 BUICK RENDEZVOUS
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JRICH83
  • MEMBER
  • 1 POST
Engine Performance problem
2004 Buick Rendezvous 6 cyl Automatic 183k miles

when I am driving the rpmi's go high and allerate. When I parked the car accelerated its self and when I press the brake it wants to keep going. I have replaced transmission 2 yrs ago and recently put new battery in and got oil changed
Oct 14, 2010 at 3:33 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Inspect the accelerator cable and throttle plate if its fully closing and test the idle air control valve and throttle position sensor
Oct 14, 2010 at 8:08 PM
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