Car jerking while backing up or at a stop

2008 CHEVROLET COBALT
138,000 MILES
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MARIE101
  • MEMBER
  • 1 POST
My car jerks when I am backing up while the AC is on or it jerks when I am at a stop.
Jul 16, 2018 at 8:06 AM
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STRAILER
  • ✓ASE Certified Mechanic
  • 54,837 POSTS
  • ASE Certified Mechanic
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
Jul 17, 2018 at 12:49 PM
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