92 Achieva oil pressure problem


Old 07-18-07, 11:27 AM
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92 Achieva oil pressure problem

I just purchased a 92 olds achieva 3.3l v6 131k; I have a few problems that I need help with;... for now its my oil pressure;
the car runs fine but the oil gage upon start up goes to 70 and if left to idle after a few minutes it will gradually got down to 40 and the "check oil" lite comes on. Also when driving it will stay at 70 but when you come to a stop it goes down to 40.
Am I doing any damage by driving this way?
What should the optimum driving level be at?

I did get a oil/filter change and that didnt solve the problem.

Any help would greatly be appreciated
thank you
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Old 07-18-07, 11:38 AM
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It could be a faulty oil pressure switch or the oil pump.

I would not drive it to much until you get it looked at. A failing oil pump can cause engine damage.

The light comes on telling you oil pressure has dropped or to high. It may be a clogged oil pickup screen as well.
Old 07-18-07, 06:39 PM
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On my 93 Grand Am with the same motor, my check oil light was on all the time, it was the sensor in the oil pan, never could find a replacement. If your gauge is correct 40psi at idle seems good to me.
Old 07-25-07, 08:18 AM
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thanks......thats what i was thinking

Is 40psi ok to run if it is just at idle
Old 07-25-07, 10:08 AM
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40 psi is fine at idle. It will typically go down at idle. If you're running 70/40 you're ok.

Make sure your engine oil level is ok with your dip stick.

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