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The engine will shut down to protect itself,check the oil level and see whether the car has oil.The light comes on if the oil level is low or the oil pump is not pumping any oil.I replaced my engine hummer h3 two weeks ago due to a malfunctioning oil pump.Check if you oil pump is not malfunctioning.Good luck hope you have not damaged anything further like the bearings due to lack of oil.
sounds like a leaky oil presure switch. they will leak oil out of the wires comming out of them sometimes saturating the connector of the switch. If that isnt the problem then your oil pump is weak causing the lite to come on or your leak is so bad your oil level is so low the lite is coming on
if the engine has high mileage the lack of oil pressure could be worn main bearings.but if your lucky it could be a faulty oil pressure sending unit.fyi there are 2 sensors one is desingned to tell the ecm low pressure to shut off the fuel pump to prevent engine damage this would explain ur jerking