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Old 02-08-2007, 12:39 AM   #1
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Default Oil pressure sensor issue

So, I finally got around to replacing my oil pressure sensor. I had oil pressure again for a couple of days. Worked well. Then all of a sudden the gauge started bouncing all over the place and the car was dinging at me. It never got better just started bouncing all over. I checked all the fluid levels, oil, coolant, etc. all fine. No funny leaks anywhere to be seen. No mixing of fluids. Etc. What could be wrong. Bad sensor? I unplugged it for now but I am a little concerned.
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Old 02-08-2007, 12:49 AM   #2
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what brand sensor?
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Old 02-08-2007, 12:52 AM   #3
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Yeah, if these are picky like Fiero oil pressure sensors, use only a ACDelco one.
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Old 02-08-2007, 01:05 AM   #4
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It is an original GM one!!
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Old 02-08-2007, 06:42 AM   #5
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Sounds like a bad sensor. Personally I replace with an Advance Auto one and never seem to have an issue. Bring it back with the receipt. They'll probably give you another.
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Old 02-10-2007, 01:05 AM   #6
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Sensor issue resolved for now. I bought a new one. For the general information there are two different sensors. For those of us that have a gauge on the cluster there is a seperate part number for that oil pressure sending unit.

It is GM part number 12584940 for the w/gauge
It is GM part number 12574309 w/o a gauge (only the dummy light)

2000+ have a gauge and the second one will not work with it.
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Old 02-10-2007, 01:09 AM   #7
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the cheap one at napa worked for me...50 bucks or so.

They only had one option for a 2k SSEi.
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Old 02-10-2007, 10:47 AM   #8
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Yeah, the sensor with gauge from AC Delco is $56
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