Why do the low oil pressure light keep coming on when I have oil in my truck, on 2002 Mercury Mountaineer

Today while driving the truck shut off and had a hard time starting back up. Over the past year have have stalled about 3 times.

by in Cartersville, GA on August 08, 2013
1 answer
ANSWER by , May 08, 2014
i had this problem it was a plug up sump fillter and it took my oil pump out