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Traction control and engine light turned on followed by reduced engine power?

Tiny
JWTAYLOR4112
  • MEMBER
  • 2011 GMC YUKON
  • 5.3L
  • V8
  • 2WD
  • AUTOMATIC
  • 167,000 MILES
My vehicle listed above XL model traction control and engine light came on at same time followed by reduced engine power. The car then slowly stalled and would not start. After a few minutes it started again, and the same thing happened after driving a little.
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Thursday, November 7th, 2024 AT 8:48 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,955 POSTS
Yep, this can happen when the throttle body needs to be serviced because the car goes into limp mode. This guide should be able to tell you more and I have included a video on how to fix the problem, make sure to clear the codes once the service is completed.

https://www.2carpros.com/articles/reduced-power-limp-mode

Here is the video to help you service the throttle body:

https://www.youtube.com/watch?v=eI9aH1r_yc8

Please go over these guides and get back to us.
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Thursday, November 7th, 2024 AT 6:30 PM

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