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1995 GMC Yukon idle speed

Tiny
RANDALM
  • MEMBER
  • 1995 GMC YUKON
Engine problem
1995 GMC Yukon V8 Four Wheel Drive Automatic 147 k miles

seems to be idiling to fast. 850rpm in park and around 500rpm in gear with my foot on the brake. What should the correct speeds be?
Friday, December 28th, 2007 AT 11:50 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
The computer controlled idle calls for 550rpm in drive mode could be a sticking throttle plate/accelerator linkage maybe its due for a throttle body cleaning
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Friday, December 28th, 2007 AT 11:57 AM

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