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2002 GMC Envoy Idles rough while at a stop but is ok after

Tiny
JENGLERT1
  • MEMBER
  • 2002 GMC ENVOY
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 195,000 MILES
Our Envoy had the check engine light come on and started to idle rough RIGHT after my husband changed the oil. We took it to AutoZone and the code said the Cam Shaft Sensor needed to be replaced. That didn't help. It seems to be better after it warms up. It only happens when the car is idling. Once it is up to speed, it runs great.
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Monday, November 8th, 2010 AT 5:48 PM

3 Replies

Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
Did the check engine light go off?
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Tuesday, November 9th, 2010 AT 11:18 AM
Tiny
JENGLERT1
  • MEMBER
  • 2 POSTS
It actually went off this afternoon while my husband was on his way home from work. This morning, it wasn't running correctly when he left for work, but it was fine this evening. He had no trouble at all. Also, he said the cruise stopped working and started working again this morning.
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Tuesday, November 9th, 2010 AT 4:06 PM
Tiny
LEGITIMATE007
  • MECHANIC
  • 5,121 POSTS
Hhmmm, I dont think this is anything major, what I think is you may need a throttle body cleaning and possibly a minor tune up, airfilter, gas filter etc.
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Wednesday, November 10th, 2010 AT 11:55 AM

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