Misfiring and Jerking

2009 SATURN AURA
90,000 MILES • 2.4L • 4 CYL • 2WD • AUTOMATIC
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CORYLEE20
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  • 1 POST
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?
Nov 5, 2015 at 9:24 AM
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SATURNTECH9
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  • 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.
Nov 6, 2015 at 12:54 PM
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SHANNON_PRIV
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  • 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
Mar 21, 2019 at 12:47 PM
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