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Q: Check Engine light coming on

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I replaced the cylinder head temperature sensor, drove 10 miles, and the Check Engine Light came on again. At this point, the car started to overheat.

A: It’s possible that your coolant is leaking ...

It’s possible that your coolant is leaking or the sensor was faulty out of the box. I would recommend having a certified mechanic diagnose your overheating issue, and verify that there are no other leaks or problems.

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