2005 GMC Savana Rough idol wanting to stall

Tiny
BOLOMARKS
  • MEMBER
  • 2005 GMC SAVANA
  • 198,000 MILES
My 2005 GMC savanna 6.0 wants to stall when I place it from neutral into reverse and when the van is warm, it wants to stall out while shifting to reverse it does not stall out and Runs fine when I put it in drive. Only in reverse not sure if it could be a vacuum line of sensor problem
Thank a lot for any help

Gerardo
Tuesday, October 1st, 2013 AT 9:19 AM

2 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Try cleaning the throttle plate on both sides and iac hole with choke cleaner they get gummy and casue stalling or near stalling.
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Tuesday, October 1st, 2013 AT 1:33 PM
Tiny
BOLOMARKS
  • MEMBER
  • 2 POSTS
I want to thank you, I tried it and it worked great! I will be useing your advice and donating to your great site for the help

jerry
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Wednesday, October 2nd, 2013 AT 9:33 AM

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