could a bad oxygen sensor or thermostat, cause cooling fan to come on before reaching temperature? temp relay is brand new. Check engine light comes on, car sputters a little, and fan will not automatically shut off until engine is cut and restarted
1995 cavalier . If car is in drive, fan will not stop. if car is in park, when temp comes down, the fan will cut
Could be the engine temp coolant sensor
The computer goes unto a default mode. U need to retrieve the engine codes to see what is wrong with the car. The fan is not the issue.
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