Question about 1988 Toyota Corolla 4 Door

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Oil sensor light on full time

The car over heated one day and the oil pressure light went on and stayed on. Have replaced relay fan switch and bought new oil sensor. So far I don't know where to replace old oil sensor. I'm not even sure if this is the solution though.

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  • jeff_arthur May 30, 2009

    Thank you for this info, have found oil sensor but know nothing about knock sensor.

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  • Expert
  • 78 Answers

Well the oil sending unit is located on top of the oil filter housing most likely its bad if not your knock sensor is bad

Posted on May 30, 2009

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