Sputters when first started

Tiny
EZALIAGIRIS
  • MEMBER
  • 2005 GMC YUKON
  • V8
  • 4WD
  • AUTOMATIC
  • 250,000 MILES
When I first start the car it sputter and sometimes cuts off. Once it gets going it seems to be okay. I am afraid I will get stranded when it will not start.
Sunday, June 24th, 2018 AT 7:34 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Is there a check engine light on? If so lets run the codes to see what comes up.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

If the check engine light is not on I would start with a tune up using all AC Delco parts with a throttle body cleaning. Here is a guide that will help:

https://www.2carpros.com/articles/how-to-tune-up-a-car-engine

and

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

Please run down these guides and report back.

Cheers, Ken
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Tuesday, June 26th, 2018 AT 11:57 AM

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