Misfire and idling?

2007 CHEVROLET COBALT
118,000 MILES • 2.2L • 4 CYL • AUTOMATIC
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JCCSRAY1234
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  • 1 POST
My car is showing a random misfire and its making a putt putt sound from tailpipe and its shaking bad when idling and sometimes cuts off when I idle too long what would be causing this all my scanner shows is the random misfire on 2007 Chevrolet Cobalt
Feb 21, 2016 at 6:07 PM
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STRAILER
  • ✓Experienced Mechanic
  • 55,097 POSTS
Have you installed new spark plugs? We had one of these cars in the shop it was doing the same thing and new spark plugs fixed it. check out his guide

https://www.2carpros.com/articles/how-to-change-spark-plugs

Please go over this guide and get back to us.
Feb 24, 2016 at 7:37 AM
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