2005 GMC Savana Rough idol wanting to stall

2005 GMC SAVANA
198,000 MILES
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BOLOMARKS
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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
Oct 1, 2013 at 9:19 AM
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HMAC300
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try cleaning the throttle plate on both sides and iac hole with choke cleaner they get gummy and casue stalling or near stalling.
Oct 1, 2013 at 1:33 PM
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BOLOMARKS
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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
Oct 2, 2013 at 9:33 AM
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