It means the sensor that detects your oil pressure has seen a situation where the oil pressure is too low and engine damage will result. Could be just a bad sensor, but better have it checked with a mechanical gauge to see exactly what the pressure is.
How do you incorporate alarms for low oil level and dirty filter?
SOURCE: low oil pressure
usually that could mean a failing oil pump....or a clogged pickup in the oil pan, could also mean you have a leak somewhere. the car shutsoff because it protects itself from killn itself
SOURCE: 2006 Impala 3.9 low oil pressure alarm
has a bad oil sending unit,try to replace the oil sender and it sound fix the problem,thanks robert b.
SOURCE: How do I stop and/or turn off the low oil pressure alarm
You need to verify that the oil pressure is within spec first. If it is then the sending unit is probably oil soaked and faulty. Unplug the sending unit and jumper the terminals together. The bell should go out.
Replace the sending unit.
SOURCE: if my low oil pressure light comes on for a sec
This is a tough question since either will give you that same signal.
I would suggest that you verify that the oil is not anywhere near low, or overfull. If the oil is at the correct level & at the full mark, you would have to suspect the sending unit.
Also, just as a check, you should make sure that the connection at the oil sending unit is in good condition. It should be on the filter mount. Clean, lightly lubricate with vaseline, di-electric grease, or just grease to seal & protect. this is in an area that picks up debris easily & even ice could work inbetween this connector.
Not knowing the history of your Impala, it would be hard to consider anything else. If you have had regular oil changes & used the same oil & type filter, that would make my investigation lean even more towards the Oil sending unit.
I've seen cars "flash" the oil light due to heavy braking on many occasions, but usually the oil is a little low.
If it was just once and your oil level is good, no noises, just keep your ear on the engine & eye on the light & Drive On.
Hope this helps.
Good Luck
SOURCE: low oil pressure
Sounds like you have an internal engine problem. the only way to be sure is to check the oil pressure with an external gauge.
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