Car jerking while backing up or at a stop

Tiny
MARIE101
  • MEMBER
  • 2008 CHEVROLET COBALT
  • 138,000 MILES
My car jerks when I am backing up while the AC is on or it jerks when I am at a stop.
Monday, July 16th, 2018 AT 8:06 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
It sounds like the engine is misfiring have you installed new spark plugs recently? Here is a guide to help you give the engine a tune up I would service the throttle bore as well:

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, July 17th, 2018 AT 12:49 PM

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