Oil Pressure Sensor Failure - Page 4 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 08-19-2006, 04:23 PM   #31
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too good to be true....
The high pressure came back on the road today. It wasn't incredibly high, but it was around 100. Also, it was flunctuating like last time. Any guesses? Don't worry about it?
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Old 08-19-2006, 07:00 PM   #32
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I would worry about it. A stalling car at best will require a tow truck at worst could cause an accident.

You either are very unlucky & have purchased a defective sender or you do in fact have too much oil pressure. You could try another sender or buy a mechanical gauge to check the pressure. The auto parts store may give you a new sender if you tell them you think it'* defective.

You really need to find out right away if you have too much pressure. Oil pumps have a pressure regulator which may be gummed up by sludge. You could also have a spun bearing which is blocking an oil passage. This would quickly destroy the crankshaft which is why you need to get this resolved quickly.
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Old 08-19-2006, 07:05 PM   #33
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I did drop it once...
I hope that'* it.
my uncle has a pressure tester, so I'm gonna get that checked out.
This really really sucks
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Old 08-19-2006, 09:47 PM   #34
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just an FYI (so you are not worried) the pressure sender fails to the HIGH side, so it has no effect on the FP, or killing it.....

my OP sender died drove around for 2-3 weeks and i replaced it...no problems at all
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Old 08-19-2006, 11:28 PM   #35
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Quote:
Originally Posted by 1993 SLE
just an FYI (so you are not worried) the pressure sender fails to the HIGH side, so it has no effect on the FP, or killing it.....

my OP sender died drove around for 2-3 weeks and i replaced it...no problems at all
Not everyone'* that lucky!
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Old 08-19-2006, 11:34 PM   #36
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well, it'* gonna sit until I get some money to fix it . 'cause I'm 100% broke

Anyways, here'* what I think:
Quote:
You could also have a spun bearing which is blocking an oil passage. This would quickly destroy the crankshaft which is why you need to get this resolved quickly.
I've been driving the car for about 1400 miles with this issue, and I think that a spun bearing would have destroyed it by now.

Quote:
You either are very unlucky & have purchased a defective sender or you do in fact have too much oil pressure. You could try another sender or buy a mechanical gauge to check the pressure. The auto parts store may give you a new sender if you tell them you think it'* defective.
I think that'* the most likely scenario. It did suffer quite a large drop (four feet off the roof of the car), so that could have done it, and I installed it myself, so it might not have been done right. I'm gonna drive it to the shop just to get it looked at on Monday; my parents are good friends with the guy, and he said he'd look at it for free


One more thing, the thing is that this only happens part of the time, almost all the time it'* normal.
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Old 08-20-2006, 03:54 PM   #37
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Follow-up: Been driving her for about 100 miles with no problems with the oil pressure. She must have just needed some time to get comfortable .

Thanks for all your help! It was much appreciated. Ted, if I'm ever around NY, I'll get ya a beer, haha!
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