General LSX Automobile Discussion Non-technical LSX related topics.

Low Oil Light

Old 03-11-2008, 08:46 PM
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Default Low Oil Light

Just came on. New oil in, totally full on the dipstick - I don't know what could be causing this and I don't want to drive the car until I do. Anybody got anything?
Old 03-11-2008, 08:48 PM
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Probably a bad oil level sensor.

If the dipstick reads that the oil is full, and oil pressure is good, its perfectly fine to drive the car.
Old 03-11-2008, 08:59 PM
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figured. just wanted to make sure.
Old 03-11-2008, 09:32 PM
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Yeah Try The Sensor
Old 03-11-2008, 11:07 PM
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Actually, I'd check the wires first. If you'll notice, when under the car, the wires are very well exposed to heat from the headers. I just had the same problem today, and it turned out to be a broken cable from being so dry due to the heat.
Old 03-12-2008, 07:48 AM
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that light indicates pressure, not volume. though the 2 are related.. it's possible to have the thing be full, and still bad pressure.

i would certainly test the sender... but until you do, i would be cautious.
Old 03-12-2008, 10:30 AM
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see the pressure gauge is fine - just like before the light came on. I pay a lot of attention to stuff like that and this engine hasn't even been leaking the slightest amount of oil. The plugs stay in relatively good shape and it's noisy, but it runs well. Anybody know exactly how this sensor works?
Old 03-12-2008, 10:57 AM
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Originally Posted by richard head
it's noisy,
what noise?
Old 03-12-2008, 11:00 AM
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"The GM oil level sensor is a marvel of modern engineering, consisting of a piece of cork floating on the end of a piece of plastic. If the oil level in the pan falls below the sensor, the cork won't float and the ECU will be notified. Simple, yet effective! Reinstall this sensor now, and put in the oil drain plug while you're at it. The bottom end is now all buttoned up--it's time to move up top!" GM hightech performance.



Basically its just a float.
Old 03-12-2008, 11:06 AM
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Originally Posted by cherryelky305
"The GM oil level sensor is a marvel of modern engineering, consisting of a piece of cork floating on the end of a piece of plastic. If the oil level in the pan falls below the sensor, the cork won't float and the ECU will be notified. Simple, yet effective! Reinstall this sensor now, and put in the oil drain plug while you're at it. The bottom end is now all buttoned up--it's time to move up top!" GM hightech performance.



Basically its just a float.
if that's the case.. remove it and confirm that it functions.... then hook it up to a meter and see if it still has a sweep.


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