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Misfiring and Jerking

Tiny
CORYLEE20
  • MEMBER
  • 2009 SATURN AURA
  • 2.4L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 90,000 MILES
While driving my car starts misfiring and jerking check engine light and service ESC and Traction control are displayed. I changed the cam sensor, MAP sensor, cleaned throttle body, cleaned air mass sensor, spark plugs and coil packs. What can be the cause of?
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Thursday, November 5th, 2015 AT 9:24 AM

2 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
It sounds like you have an injector that is going out but to be sure check out this guide to help test them.

https://www.2carpros.com/articles/how-to-test-a-fuel-injector

Please run down this guide and report back.
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Friday, November 6th, 2015 AT 12:54 PM
Tiny
SHANNON_PRIV
  • MEMBER
  • 1 POST
Thanks for this post I had this same problem and the #3 fuel injector was bad got a new one for $67.00
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Thursday, March 21st, 2019 AT 12:47 PM

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