Thermostat?
Just joined the forum. Have a 2003 Ranger with a check engine light, and a OBD II PO 597 code (thermostat heater control circuit open). From poking around online seems like replacing the thermostat/ housing is the way to go; however, I have also noticed the smell of coolant over the last month. No leaks on the ground though and negligible reservoir loss.
Before I spend the money on replacing the thermostat / housing could a small coolant leak in any way set off or contribute to that code? Any feedback would be appreciated!
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2003 XL 2.3L 2WD Regular Cab
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