M11 – Lubricating Oil Pressure Low

Symptom Tree  

Electronic fault codes are active

For instructions on how to read active fault codes, refer to Procedure 101-007 (Electronic Controlled Fuel System) in Section 1. If fault codes are active, contact a Cummins Authorized Repair Facility.

 

Lubricating oil level is above or below specification

Check the oil level. Add or drain oil, if necessary. Refer to Procedure 007-043 (Lubricating Oil Level) in Section 3.

 

Lubricating oil leak (external)

Inspect the engine for external oil leaks. Tighten the capscrews, pipe plugs, and fittings. Replace gaskets, if necessary. Refer to Procedure 018-006 (Engine Torque Values) in Section V.

 

Lubricating oil pressure switch, gauge, or sensor is malfunctioning or is not in the correct location

Check the oil pressure switch, gauge, or sensor for correct operation and location. Refer to the OEM service manual.

 

Lubricating oil does not meet specifications for operating conditions

Change the oil and filters. Refer to Procedure 007-013 (Lubricating Oil Filters – Spin-on) in Section 4. Use the oil type recommended in Section V.

 

Lubricating oil is contaminated with coolant or fuel

Contact a Cummins Authorized Repair Facility.

 

Lubricating oil filter is plugged

Change the oil and filter. Refer to Procedure 007-013 (Lubricating Oil Filters – Spin-on) in Section 4. Review the oil change interval.

 
Contact a Cummins Authorized Repair Facility

Last Modified:  19-Nov-2004