11. Some vehicles have an oil pressure gauge in the dashboard or instrument cluster. 12. Adjacent were the oil and water temperature gauges and the oil pressure gauge. 13. Oil pressure is the life and death of any automotive engine.14. Her oil pressure was dropping and she was losing engine power. 15. Then, 25 miles over the Mediterranean, the remaining two engines lost oil pressure . 16. Mechanical linkage also provides operator control in event of hydraulic oil pressure loss. 17. Optional instrumentation included a tachometer and temperature, oil pressure , and charging voltage gauges. 18. During an engine test firing, the oil pressure in the unit began dropping. 19. In the last laps Lauda's oil pressure was fading and Fittipaldi was closing. 20. Low oil pressure indicates worn bearings or a broken oil pump.