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2007 Chevy Cobalt 2.2 automatic
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New to Cobalt forum. I have an 07 Cobalt 2.2l automatic. 76k kms. It’s has started surging/ hesitating lately. idles smooth. Changed fuel filter, spark plugs, MAF sensor and MAP sensor. Still doing it. Maybe bad coil? Any info is greatly appreciated.
 

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New to Cobalt forum. I have an 07 Cobalt 2.2l automatic. 76k kms. It’s has started surging/ hesitating lately. idles smooth. Changed fuel filter, spark plugs, MAF sensor and MAP sensor. Still doing it. Maybe bad coil? Any info is greatly appreciated.
Try cleaning the throttle body - ours did this about a month ago and the throttle body was filthy. Something to try that's fairly inexpensive.
 
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