MY AT OIL TEMP LIGHT IS STAYING ON BUT THE ...

  • Tiny
  • Jcgilly
  • 2004 Isuzu NPR
  • 140,000 miles

My a/t oil temp light is staying on but the transmission fluid level is fine. Also sometimes it goes off, should I be concerned or is it a faulty sensor?

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Monday, February 25th, 2013 AT 10:46 PM

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  • Tiny
  • caradiodoc
  • Expert
  • 25,637 posts

The temperature has nothing to do with level. If the light is on right after you start a cold engine, you know it's not overheating yet and you can suspect a defective sending unit or a wiring problem. If the light comes on after driving a while, a problem with an external transmission fluid cooler would be the most likely suspect.

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Tuesday, February 26th, 2013 AT 2:48 AM

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