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Q: White smoke coming out of hood when idle / stopped

asked by on

My temperature gage will jump up and back down frequently, and I've noticed some white smoke coming out of the hood of the car. Heat and a/c blow air, but there is no temperature regulation in them.

My car has 169000 miles.

A: This sounds unfortunately like a blown head...

This sounds unfortunately like a blown head gasket problem. The fluctuation in temperature and white smoke is usually a sign of this. I would suggest having the coolant tested for traces of combustion gases which will indicate if the head gasket is compromised. If this is in fact the case, I would suggest having an certified technician, such as one from YourMechanic, come to your home to diagnose the smoke firsthand and help you make the necessary repairs.

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