99 corolla p0125 code overheating quickly

Asked by Jul 08, 2016 at 03:25 AM about the 1999 Toyota Corolla CE

Question type: Maintenance & Repair

I had a P0125 code so I replaced the temperature sensor and the light went off,
but now the car heats up to the redline within 5 minutes of driving. Fan is
working with AC on and lowers the temp some, but I dont want to drive it with
the temp gauge hitting red. Any ideas to fix this?

1 Answer

37,965

P0125 TOYOTA - Insufficient Coolant Temperature for Closed Loop Fuel Control - - Possible causes - Low engine coolant level - Leaking or stuck open thermostat - Faulty Engine Coolant Temperature (ECT) sensor - Engine Coolant Temperature (ECT) sensor harness is open or shorted - Engine Coolant Temperature (ECT) sensor electrical circuit poor connection

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