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Intermittent Check engine light on 2006 Chevrolet Cobalt

I read about the misfire that is common on the 2.4L. My question is how do I get it fixed? Everytime I bring it to the dealer the light doesn't come on. The next day it's back and around I go again

Asked by for the 2006 Chevrolet Cobalt
Once the light has come on, the code will be stored until someone erases the it, so when you take it in, have them give you a printout of the stored code information. Post the code here and someone may have some info for you.
To the anonymous user: Take this to another shop that can properly diagnose this, or demand that they explain why the problem continues to occur after they have replaced a bunch of parts? Why should you have any faith in any of their recommendations now?
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I am having the same problem. I took to AAMCO and they replaced my plugs and spark plug wires along with the boots. It came back on. The diagonosies was a fuel injection misfire. Had those cleaned and today it is back in the shop. They are now saying need a new oxygen sensor? I am so tired of this entire thing. They have reset the light 3 times and after a day it is BACK!!