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Why does my 3.0 liter motor run rough when I accelerate and blows blue smoke?


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Answered 2007-01-24 19:09:57

More than likely it is a blown headgasket. Antifreeze leaking through the head and being burned in the cylinders can cause blue smoke and poor performance. answer antifreeze burns black oil burns blue more likely to have a stuck or broken piston ring get a compression test doen on your engine could also have worn valve stem seals, allowing oil to run down the valve stems and into the conustion chamber blown headgasket will cause overheating and loss of coolant

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