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      01-19-2020, 05:04 PM   #1
cjb762
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Oil temp gauge not working

Hey all,
I have done some searching, but haven't been able to find anything. For some reason my oil temperature gauge stopped working yesterday. I can't be positive, but I think it may have happened after I hit a pretty big pot hole with my right front tire.

I did the instrument cluster self test, and the temp gauge (and everything else) is in working order.

When I hooked up a scan tool and the "live data" shows that the oil temp is -61, which is obviously incorrect. There were also some codes about "implausible oil pressure," and Carly gave a "003427: engine oil pressure sensor, electrical: short circuit to ground"

I have poked around a little bit, but don't really know what I am looking for. I am leaning towards replacing the pressure sensor, but wanted to see if anyone had any other ideas first.

Thanks for any help you can give!
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      01-20-2020, 06:08 AM   #2
Sam_M
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Quote:
Originally Posted by cjb762 View Post

When I hooked up a scan tool and the "live data" shows that the oil temp is -61, which is obviously incorrect. There were also some codes about "implausible oil pressure," and Carly gave a "003427: engine oil pressure sensor, electrical: short circuit to ground"
Most likely the wiring has been damaged or the plug has come loose.

Based on the two codes you've got, the pressure sensor isn't providing a valid signal.

Find the location of the sensor, check the plug and wiring to it. Could be that the big pothole you hit dislodged the pressure sensor plug.
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      01-20-2020, 11:34 AM   #3
cjb762
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Quote:
Originally Posted by Sam_M View Post
Most likely the wiring has been damaged or the plug has come loose.

Based on the two codes you've got, the pressure sensor isn't providing a valid signal.

Find the location of the sensor, check the plug and wiring to it. Could be that the big pothole you hit dislodged the pressure sensor plug.
Thanks Sam. I did check the plug, and it appeared to be on securely. I popped it off and re-fitted it to make sure, but no change. I also couldn't find any issues with the wiring.

I did find a few threads where people had similar issues, and it turns out a rodent chewed through the wires, so I will try to figure out where the wire goes today and see if that is an issue.

e.g.
https://www.1addicts.com/forums/showthread.php?t=742564
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