Hi there,
Check the oil pressure with a master gauge as this will give a true indication of engine oil pressure, if low, the pump is on one item that could be at fault, the pressure regulator may me faulty and worn crank and cam bearings will also cause loss of oil pressure, you can try stepping up a weight in oil as well.
Mark (mhpautos)
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Tuesday, November 11th, 2008 AT 5:14 AM