If the engine isn't knocking or tapping when it dropps to 0, then chances are it's the oil sending unit. They are easy to replace. It's located near the oil filter and all you do is unplug the wiring, and sending unit screws out with a wrench. Reverse the order to replace.
Chances are this will take care of the problem.
Let me know if it helps or if you have questions.
Thursday, February 26th, 2009 AT 7:02 PM