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Old 01-12-2009, 02:48 AM
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mpe235 mpe235 is offline
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2015 Rogue
 
Join Date: Jun 2006
Location: New York
Posts: 5,530
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Sounds like a head gasket leak. Coolant is entering the cylinders as the engine cools down. It then burns off when you start the car causing the rough idle.
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