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ISBe/ISB Series Engines – Lubricating Oil Pressure High

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Symptom Tree  

Electronic fault codes are active

For instructions on how to read active fault codes, refer to Diagnostic Fault Codes in Section 1. If fault codes are active, contact a Cummins Authorized Repair Facility.
 

Coolant temperature is below specification

Refer to the Coolant Temperature is Below Normalsymptom tree.
 

Lubricating oil does not meet specifications for operating conditions

Change the oil and filters. Refer to Section 5. Use the oil recommended in Section V.

 

Lubricating oil pressure switch, gauge, or sensor is malfunctioning or is notin the correct location

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

 
Contact a Cummins Authorized Repair Facility
Last Modified:  22-May-2002
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