Question about 1996 Oldsmobile Aurora
My 96 olds Aurora had the check engine light come on yesterday. Chimes were going off and my info center was saying oil level system faulty. Seemed my oil pressure was low too. Engine appeared more hottier than normal. NO LEAKS anywhere. What would the prolblem be? Is this another sensor of some sort?
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!
1996 Oldsmobile Aurora
4.0L DOHC 32V V8
Posted on Aug 19, 2008
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