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It has 111k on it right now, no smoke out the exhaust that I've noticed, the coolant was a bit low in the reservoir, took about 2 cups worth to fill it. When it overheated and I let it cool down to below 3/4 line I was able to rev the engine in park a small amount and then it started cooling down and was fine. It seems to overheat when you start it from cold and then after it overheats and cools down it's OK to drive and stays at the 1/2 mark which is normal. It was that way twice which initially led me think thermostat or water pump. Thermostat was replaced 1.5 yrs ago and water replaced 7 years ago.
The dealer did an engine diagnostic and pressure test with cylinder leakage test. Said they found coolant on the spark plugs and in the oil.
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