Question about 1995 Oldsmobile Aurora

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I have a 1995 Oldsmobile Aurora with a 4.0 V8 engine. When the car is sitting still at a redlight etc., the "Low Oil Pressure" warning light comes on. When I start again it stops alarming until I come to a stop again. I notice it usually happens when the car is warmed up above 220 degrees. Is it the oil pump or possibly the oil cooler?

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I had this same problem. I put in a can of engine restorer and lubricant, the 8 cyliner formula and had no more problem with that light coming on. this is found at advanced auto at about 10.00 a can. it will restore your engine's compression.

Posted on Oct 16, 2010

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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.

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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.
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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.
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Oil leak from the hose an 1995 oldsmobile aurora


Mostly likely it's coming from the oil cooler lines from the motor to the radiator. My friend's Aurora has the same leak, we replaced the oil pressure sending unit, which is close by the lines, but the lines, where the compressed part of the fitting was leaking there. The oil cooler lines will have to be replaced.

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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...


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


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Jul 07, 2008 | 1997 Oldsmobile Aurora

1 Answer

Oil level system


It may seem obvious but do not operate the engine with it overheating as this can lead to more trouble including a cracked engine block.

Low engine oil pressure is a problem because if it exists, the critical engine parts may not get lubricated properly and may fail. Since you have ruled out external leaks, here are some possibilities:

Clogged oil filter or obstruction in the system

Loose wire or faulty oil pressure or oil level sending switch/sensor.

Possible blown head gasket. This is a serious problem that might be accompanied by white or blue exhaust smoke and a burnt coolant or oil odor. Check for oil contamination with coolant. The dipstick may show a brown milky film/sludge or smell like burnt coolant indicating contamination.

Engine oil pump is possibly bad. This is a serious problem. It's usually time to swap out or rebuild the engine, particularly if it has many miles.

Possible but unlikely in this case is a problem with PCU (Power Control Unit) that runs the Information Center. PCU problems are often indicated by getting other unrelated errors on the info display or "DATE NOT AVAILABLE" for extended periods when you start the car.

You did not mention the Check Engine/Service Engine Soon light being on, but if so I would get the trouble codes read at the OBD II connector. The codes might indicate a sensor problem. Some auto stores do this for free. Either way, I would assume the worse case scenario (bad oil pump) and address it immediately. Unfortunately, due to the complex nature of the car, most things are not easy to diagnose and repair by the do-it-yourselfer. Hopefully though it is just a sensor but with a temperature rise, I would be careful.

Best of Luck!

SC442299

1996 Oldsmobile Aurora
4.0L DOHC 32V V8
Autobahn Option

Jul 05, 2008 | 1996 Oldsmobile Aurora

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