Category Archives: 6.7L Cummins

6.7L Cummins Lubricating Oil System – Lubricating Oil System Diagnostics – General Information

Lubricating Oil Pressure When the diagnosing lubricating system malfunctions, check all obvious items related to oil pressure, such as gauges, high and low oil level, excessive oil contamination, and oil viscosity. High lubricating oil pressure occurs after the engine is first started in cold weather. Cold-start oil pressure typically will be approximately 689 to 827… Read More »