Oil pressure guage JUMPIN? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 07-25-2004, 02:17 AM   #1
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Default Oil pressure guage JUMPIN?

Hey guys,

I haven't been on the board in awhile but I need some help.

This afternoon I was driving home from work when i heard the check guages alert come on and i looked at the gas guage (natural reaction) gas was low so i just glanced at that one. I drove a bit more and heard it ding 4 times so i looked at the other guages and the oil guage read 0 so i shut the car off and checked the oil and it was still at the same level as when i changed the oil 3 weeks ago. I also saw no leaks while car was running and fully inspected the oil pan, the gasket, all around to be sure and nothing. Now the question: What is making this happen to my car and also is this just a simple sending unit or is the pump on its way out?

Thanks in advance for responses.
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Old 07-25-2004, 02:19 AM   #2
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Well.... I'd get a mechanical oil pressure guage, and see what that can tell you. If the I/P and the mechanical aren't reporting the same thing, Get that sensor replaced.
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Old 07-25-2004, 02:30 AM   #3
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it could be a sending unit possibly. Something similar happened to the 94.
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Old 07-26-2004, 08:42 PM   #4
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well woke up this morning to oil on the frame and floor. i inspected everywhere and no leaks that i can see and oil level is still full. anyoen have a idea
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Old 07-26-2004, 10:08 PM   #5
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If your gauge is reading zero and you have a puddle of oil under your car, check out that sending unit. Unplug it and look for oil in the connector on the sending unit, as well as on the harness. Oil inside the wiring connection is a sign of a leaking sending unit. If this is the case and you do replace the sending unit, don't forget to clean out the harness as well.
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Old 07-26-2004, 11:52 PM   #6
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What does your dipstick tube look like? If it'* not the oil pan, it could be a bad main seal.

If your oil pressure is bad, I think changing the oil, and checking the oil and filter for metal shavings is a good thing to do if it'* not apperant why. Spun bearings = bad.
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Old 07-27-2004, 01:42 PM   #7
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This sounds like sending unit to me as well. Have it checked out. Low oil pressure doesn't mean low oil.
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Old 07-28-2004, 03:01 AM   #8
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Make sure because i though the same thing (the sending unit) but i didnt have a puddle of oil and quess what it was the pump and now the engine is locked up as of yesterday. Had 2 Bonnie'* now im short 1!
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Old 07-28-2004, 10:42 AM   #9
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Quote:
Originally Posted by 1993bonnie
Make sure because i though the same thing (the sending unit) but i didnt have a puddle of oil and quess what it was the pump and now the engine is locked up as of yesterday. Had 2 Bonnie'* now im short 1!
Annnnd, that'* not good! I'd have that checked out ASAP, bud.
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Old 08-01-2004, 04:11 PM   #10
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okay did some surveying of the car.

went to the shop wiped down the whole frame where oil was discovered to be a quart low filled and then ran the car for 20 minutes not one drop came outta the car. so i thought it was a fluke so i revved it and no drips. I left the shop and drove home now there is oil outta the engine. where the hell is this leak

anybody have leaks in there car that could help me on where to tighten down or anything of this nature please respond with a messgae
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