Olds Aurora 3.5 giving low oil pressure message

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  #1  
Old 07-31-14, 05:39 AM
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Olds Aurora 3.5 giving low oil pressure message

I have a 2001 Olds Aurora that developed an oil leak so I changed the oil pressure switch but kept seeing oil dripping so I got some cr2 stop leak to seal the rear main seal and othes that might be leaking. So I watched the oil pressure and it was reading about 50 to 60 psi and then it would read 0 then back to normal and while this was happening my gas gauge would go fro full to 3/4 and you could also feel a loss of power. I'm thinking faulty voltage regulator but alternator is only a year old! Any ideas would be most appreciated. Thanks, Roger
 
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Old 07-31-14, 06:53 AM
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First things first - are you checking and making sure the engine stays full of oil?
Has the oil been changed on a regular basis?
 
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Old 08-01-14, 10:40 AM
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Yes, I have changed the oil every 3000 miles for the last 8 years. I did have to put motor medic in it to slow down the leak as I use 5w 30 oil. It helped changing the oil pressure switch but seems to be leaking more. The capacity is six quarts and I always keep an eye on it.
 
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Old 08-07-14, 10:06 AM
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Yesterday I had a mechanic friend of mine look at my car and found the following codesP107,P0122,P0440,P0462,P1404, P1635! His thought was that a relay might be working intermittently causing the codes but without a schematic he couldn't pinpoint the cause. Any suggestions would be much appreciated! Roger
 
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Old 08-08-14, 05:51 AM
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I'd start by checking the engine electrical grounds by cleaning and tightening them. These stud mounted ground ring terminals are often located on the intake and/or the cylinder head(s).

Also check the wire leads (just ahead of these ground ring terminals) for signs of failure.
 
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Old 08-08-14, 09:55 AM
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OK, we'll do! Thanks for your help!
 
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