Question about 1997 Oldsmobile Aurora

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Low oil pressure indicator at low rpms (idle) '97 olds V8

When fully warmed up, my Olds Aurora V8 gives me an in-dash and audible low oil pressure warning at low rpms (traffic signals, stop signs, idle) and immediately goes off when I resume higher rpms, usually around 1,000. It registers 8 psi at idle intil it drops at low rpms and alarms go off. Help, please, it's driving me nuts! I've replaced the Oip pressre sending init and sensor (switch). thanks. Paul in OKC, OK

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  • JOHNFH825 Sep 24, 2008

    when i start my car up it reads that the oil pressure is in the 90's psi and then after i drive about 5 miles and stop at a light or stop sign it starts dinging and say there is no oil pressure, but when i hit the gas it goes back up

  • rzarife Oct 30, 2008

    I have the same problem on my 97 lOds! i have replaced the thermostat, replaced the fan sensor, made sure there was 7 quarts of mobile one synthetic oil. I have had a couple antifreeze flushes too. I had the overheating and low oil pressure issue in the summer. I always need to refill my antifreeze, its leaking antifreeze somewhere? Please help! I bought this car, like 5 months ago.

  • Anonymous Feb 07, 2009

    I also have a 97 Olds Aurora that is doing the exact same thing. Started 2 days ago. Low oil pressure ( 10-12 ) when first started up and when engine gets warm, indicator goes to 0 and oil light comes on along with the alarm. Engine still runs smooth and no noises or over-heating. Maybe the sensor. Will take it to my mechanic who works on Olds exclusive. MJ

  • Anonymous May 12, 2009

    same problem low oil pressure at stops, idle up to 1100 rpm and pressure raises. oil sensor was changed twice. also losing collant somewhere, cannot locate it.

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Thicker oil is all you need. 5w30 is too thin when it warms up and the sensor cant pick up the flow going past. 10w40 should stop all the issues

Posted on Apr 21, 2010

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The problem is that the upper pan seal, it's an aluminum plate and seals various oil passages has lost it ability to seal. It has factory installed RTV seal in groved locations. It needs to be replaced and is a major job, since the motor needs to be dropped out. Use 50 weight oil until you want to spend the money to had done

Posted on Feb 17, 2011

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As suggested by your expert, I changed the oil pump & it turned out to be functional (the old one), but weak, as your repair guru thought. Thanks!

Posted on Jul 08, 2008

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SOURCE: When fully warmed up, my Olds Aurora V8 gives me

Paul,
Here's a few things to check out. First, you need to know if the oil pressure is correct or not. You can figure this out by removing the sensor and replacing it with a manual oil pressure gauge for testing purposes. If you find that the manual gauge is showing higher pressures, you can breathe easy and start looking at your instrument cluster for the problem. If, however, your oil pressure is reading the same, you need to figure out why your oil pressure is so low. One thing to check out, is to change out your filter, especially if it's a brand other than GM's AC Delco. Some filters are TOO restrictive, and can cause low oil pressure issues. Secondly, the viscosity of oil that you use can make a difference as well. As engines get older, and acquire higher mileages, they wear down a little. This makes larger gaps for oil to pass through, thus allowing your oil pressure to lower. For higher mileage vehicles, it's recommended to go with a slightly thicker oil, which will combat this problem. If these don't bring your pressure up enough, you may have to consider replacing your oil pump. This is more involved, as you must take the pan off the engine, and that can be a pain sometimes. You may opt for a higher volume pump, which would compensate for your increased tolerances. Hope this helped you out!

Posted on Oct 23, 2009

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Posted on Jan 02, 2017

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1 Answer

I have a 1995 olds aurora with a northstar. The oil level is fine but the computer says low oil pressure when at a stop light. Is this the oil sensor or oil pump?


Oil pressure is generally not related to oil level unless the oil level is low.
Oil pressure is created by a pump and as the engine parts wear over time, the oil passes through them easier causing oil pressure to drop.
It is also possible that the loss of pressure is caused by an oil pump that has worn, but don't get your hopes up.
If the vehicle has a lot of mileage, has been driven hard, has not had the oil changed regularly, this occurs.
It is sometimes possible to put additives in your car that are "thicker" than oil and this will give you some time to decide what to do.
Gary

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Low oil pressure indicator at low rpms (idle) '97 olds V8


Low pressure when at idle, after the engine has warmed up and the oil has thinned, indicates that the oil pump is worn and needs to be replaced.

Jul 07, 2008 | 1997 Oldsmobile Aurora

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I changes oil in my 1997 aurora and i put 5w 30 back in. after it warmed up the low pressure light comes on at idle.What might be the problem


with it being a 97, the oil pump could be worn if high milage. thus causing less pressure. try 10w30, it wont hurt a thing.

Mar 15, 2011 | 1997 Oldsmobile Aurora

2 Answers

2003 olds aurora V8 40 oil warning light comes on low oil pressure Its showing 7lbs. What is normal and what could the problem be.This is at idleing only.


your oil pressure should be a lot more than 7 lbs, your oil filter may need changing, or your oil pump could be the problem ....hope this helps....cheers

Jul 06, 2010 | 2003 Oldsmobile Aurora

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My 1996 olds aurora low oil pressure alarm goes on when my engine speed is below 1000 rpm. I had the oil filter changed and installed Penzoil 20W50 oil in hopes it would control this until I found out what...


100 psi is to much and will blow the seals in the motor.You need to find out what the oil pressure is suppose to be and if it is to low then replace the oil pump.

Apr 11, 2010 | 2001 Oldsmobile Aurora

2 Answers

When fully warmed up, my Olds Aurora V8 gives me an in-dash and audible low oil pressure warning at low rpms (traffic signals, stop signs, idle) and immediately goes off when I resume higher rpms, usually...


Paul,
Here's a few things to check out. First, you need to know if the oil pressure is correct or not. You can figure this out by removing the sensor and replacing it with a manual oil pressure gauge for testing purposes. If you find that the manual gauge is showing higher pressures, you can breathe easy and start looking at your instrument cluster for the problem. If, however, your oil pressure is reading the same, you need to figure out why your oil pressure is so low. One thing to check out, is to change out your filter, especially if it's a brand other than GM's AC Delco. Some filters are TOO restrictive, and can cause low oil pressure issues. Secondly, the viscosity of oil that you use can make a difference as well. As engines get older, and acquire higher mileages, they wear down a little. This makes larger gaps for oil to pass through, thus allowing your oil pressure to lower. For higher mileage vehicles, it's recommended to go with a slightly thicker oil, which will combat this problem. If these don't bring your pressure up enough, you may have to consider replacing your oil pump. This is more involved, as you must take the pan off the engine, and that can be a pain sometimes. You may opt for a higher volume pump, which would compensate for your increased tolerances. Hope this helped you out!

Oct 23, 2009 | 1997 Oldsmobile Aurora

1 Answer

98 Olds Aurora V8 gives me an in-dash and audible low oil pressure warning. Engine running normal, there is no tapping and the oil level is where it should be. Oil needs changed according to indicator, but...


check for the oil pressure sending unit. i'm not sure where on the engine this sensor is on your vehicle, but look for a single wire sensor somewhere on the side of the block. hopefully, there'll be a bit of oil dripping from it, because it's a fairly cheap part and easy to replace. otherwise, you may actually have low pressure from a clogged pump pick tube or bad pump.

Aug 07, 2009 | Oldsmobile Aurora Cars & Trucks

2 Answers

97 Olds Aurora AC blowing warm air a day after recharging system


Several- The system should hold freon for years without leaking. There are pressure switches and they cut off the compressor with an undercharge and an overcharge. You need guages to measure the charge. There are testers the A/C shops have called "sniffers" which can detect a leak. If you have no leak then you need a technician to add or remove freon to get the concentration right. Or you need guages.

Jun 12, 2009 | 1997 Oldsmobile Aurora

1 Answer

My 2001 Olds Aurora was fine but now it dies at low r.p.m. why?


idling speed to low it will die .sound like idle speed control problems.

Apr 25, 2009 | 2001 Oldsmobile Aurora

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