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Discussion Starter · #1 ·
In-dash thermostat will run normal and immediately drop to cold with higher RPMs
Or will not read at all and throw up thermostat sensor error.. and car will not start let the car sit for 20 minutes it will start..
I have replaced thermostat sensor the old thermostat sensor was fine after testing..
I cannot find any shorts in the wiring harness...
Any help where to start would be greatly appreciated. ...
 

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Is the " In-dash thermostat " you refer to the temp gauge and the " thermostat sensor " the engine coolant temp sensor ? or is it something different on that car ?
 
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