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I have a 2011 Buick Regal CXL 2.0l Turbo. Love the car for now. Recently had issues with it running rough. Code showed PO302, cylinder #2 not firing. I replaced to ignition coil, all 4 plugs with NGK plugs. It will not move in reverse or forward without barking the front tires twice. It blows blue smoke also. Have it at the dealership now waiting on diagnosis. Any ideas......
 
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