Question about 2001 Hyundai Santa Fe

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Engine management light on rac scan shows fault (P0115 eng coolant sensor) I have replaced and fitted new sensor light stillv stays on does it need resetting via a computer

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  • gcs3 Jul 22, 2009

    Hi Guru
    Thank you very much for your help I discoonected the battery and that has turned the light off
    Thank you

  • gcs3 Jul 22, 2009

    Thank you very much for your help I disconnected the battery and that has turned the light off
    Thank you

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2 Answers

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Dear friend-fitting the sensor should have cleared the fault code,but maybe there is another one hiding somewhere.remove the battery termenal and leave for 30 minutes re-connect and check again,if no joy take to dealership to reset.

Posted on Jul 22, 2009

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Yes the light will have to be reset. If you cant reset by disconnection the battery for a couple minutes you will need to have it done with a scanner. Also usually its not the sensor that throws the code. Its usually a stuck open thermostat. If you have a gauge look to see if its been running on the colder side lately. Sometimes the engine will warm up normally but going down the freeway it will cool off to about 160 degrees when in fact its should be around 200 degrees. A scanner will show this while driving if you only have a idiot light. This is a sign of a bad thermostat

Posted on Jul 22, 2009

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