Originally posted by PA 3L SVT:
Originally posted by RoadRunner:
IIRC, if the Oil Light turns on, it sends a signal to your PCM, and the PCM will shut down the motor to prevent damage.
I've never heard this before. 
It is quite true. A significant loss of oil pressure will cause the PCM to kill the engine. (or the engine to kill itself, but that's another story)
It will also throw a CEL. Yes there is a code for low oil pressure.
