My thermostat is leaking coolant and my 2006 dodge stratus is running 1/2 hot on the gauge.if I need to replace my thermoatat will the check enging light come on?
Possibly. Best to fix the leak first. I suspect by your answer it is leaking at the thermostat housing. Either the gasket or hose is bad. So the engine is probably running hot due to low coolant. Fixthe leak first, get the right amount of coolant in the system and see if the CEL goes out. It could be a seperate issue, but maybe not.
I would check to see weither its a hose leaking or the therostat. Like the other guy fix the leak then add proper amount of coolant. Should stop the leaking and the heating problem.
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