Wants to accelerate

2003 CHEVROLET IMPALA
240,000 MILES
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3333333333J
  • MEMBER
  • 1 POST
Accelerates by itself. Not all the time, but a lot of it. Replaced the throttle position sensor, but didn't help. Any more ideas?
Apr 11, 2013 at 4:00 PM
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ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
could be a vacuum leak, throttle body not closing all the way are among many of the possibilities

Roy
Apr 11, 2013 at 4:30 PM
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