Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 2010 impala 3.9L DTC p0010 › 2010 impala 3.9L DTC p0010 April 4, 2012 at 11:00 am #439733 MattParticipant I doubt the viscosity recommended is 15w40. Change the oil to the correct manufacturer’s suggestion.
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