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Q: code P0301 cylinder 1 misfire on 2007 Chevrolet HHR

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Is this a common problem? an expensive fix or does the powertrain warranty cover this? The car is running very rough if moving or parked, service engine light is solid not flashing
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
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This will covered under your emissions warranty. You can learn more about the code here: http://repairpal.com/OBD-II-Code-P0301
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