Q: Boot white smoke exhaust pipe

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mix engine coolant oil

My car has 20656 miles.
My car has an automatic transmission.

This is most likely caused by a blown head gasket that’s leaking coolant into the engine cylinders. Have the cooling system pressure tested to see why oil and coolant is mixing. The cylinders heads are either leaking or cracked. Have a certified technician, like one from YourMechanic, diagnose the leak firsthand if you’re unable to pinpoint it yourself. Best of luck.

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