mine is out i think. lost oil pressure while idling. when i first turn on the jeep, it takes a second for the oil pressure to go up, but then it slowly goes back down, and the check guages light comes on. it does rise with idle, which ive heard means the pump is still working, its just the switch gone bad.
call it what you will, sender, switch, sensor= but just to put this out for those in the future that need to find one...
online the cheapest i can find one is a little over 30 bucks shipped.
autozone= 35 - 10% military discount
advanced= 25 - 10% military discount
so go to advanced, or at least call the parts places around you before you assume online is cheaper.
thats 5 more dollars gas i can put into my snowblower lol