If the heart of a car is the engine(fen view motors), then the heart of the engine is the oil pump, which pumps engine oil to lubricate moving parts, remove residual heat and drive the hydraulics. On many older vehicles, an oil pressure gauge in the instrument cluster provided a visual indication of the actual oil pressure, typically with a 50 to 60 psi refill. Most modern vehicles, however, have eliminated the oil pressure gauge, replacing it with a simple low oil pressure warning light, which illuminates when the oil pressure drops from 5 to 7 psi.
Driving a vehicle over 100,000 miles and determined to drive another 100,000 miles or more? As long as you keep an eye on all the recommended maintenance activities, you should have no trouble getting there.