My girlfriends car started to run bad today. It had misfire codes so i replaced all the spark plugs. It didn't fix in and i noticed that the 2&3 plugs looked like new after pulling them out. Figured that it must be the coil so i bought a new one and that didn't fix it either. I did try the boots on other cylinders but still no luck. What could it be?? 2.2L ecotec
See if you're getting a current at all to 2 and 3. And also what coby said
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