Join Date: Mar 2007
Location: St. Albert, Alberta, Canada
Pull the oil pressure sensor. They are famous for erratic readings. Check the pressure at idle, 1000 RPM, 2500 RPM and 3000 RPM cold and hot. General rule is a minimum 10 Lbs. for every 1000 RPM. If presure is ok, replace the sensor. If it's low, it's pump time. I bet that it's the sensor.