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M11 Plus Series Engines Operation and Maintenance Manual – Engine Speed Surges at Low or High Idle

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 for fault code troubleshooting. If fault codes are active, contact a Cummins Authorized Repair Facility.
 

Fuel level is low in the tank

Fill the supply tank. Refer to the OEM service manual.
 

Fuel inlet restriction

Check for fuel inlet restriction. Contact a Cummins Authorized Repair Facility.

 

Air in the fuel system

Check for air in the fuel system. Tighten or replace the fuel connections, fuel lines, fuel tank standpipe, and fuel filters as necessary.

 
Contact a Cummins Authorized Repair Facility

Last Modified:  19-Apr-2005
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