My car overheated and now won't start.
If you got the car too hot you could have done a number of things to the engine that would stop it from starting. The first thing you should do is have your car inspected for overheating by a qualified technician. If the car turns over but doesn't start you may need to have the compression tested and a leak down test from a qualified technician to test for a blown head gasket. If the car doesn't turn over at all you may have seized up the engine and will need the engine replaced. It is possible a bad sensor may stop it from starting, you will need to check to see if you are getting fuel and a spark.
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