hey folks 1989 745 245 thousandmiles ran great sat for one year outdoors.hard start cold.put on new fuel pressure regulator cleaned iac and throttle body.also removed flame trap and flame trapbox for a good cleaning.car started right up ran great.fresh oil verything right .oil pressure light on after five miles.pull over check oil .plenty of oil. temperature normal.so i figure volvo electric whackiness i can live with the light on. five more miles check oil good new full .five miles more lose a rod bearing.did removing the flame trap box and perhaps dislondging the return tube screw something up at the oil sump end.thanks any and all for any insight.