Stalls upon stop

Tiny
MARVIN'S ???
  • MEMBER
  • 2005 CHEVROLET COLORADO
  • 2.8L
  • 4 CYL
  • 4WD
  • MANUAL
  • 102,000 MILES
When downshifting to reduce speed, engine wants to stall out.
Sunday, June 16th, 2019 AT 8:19 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Yep, sounds like you have a dirty throttle bore or a vacuum leak. here are two guides to help you see whats going on and fix the problem:

https://www.2carpros.com/articles/stall-at-idle

and

https://www.2carpros.com/articles/throttle-actuator-service

Please run down this guide and report back.

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Monday, June 17th, 2019 AT 2:42 PM

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