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Cummins ISX11.9 CM2250 – Service Manual Engine Shuts Off Unexpectedly or Dies During Deceleration

Symptom Tree  t064

This is symptom tree t064
Cause Correction

Electronic fault codes active or high counts of inactive fault codes

Refer to Section TF in the Fault Code Troubleshooting Manual, Bulletin 4022225, for fault code troubleshooting.

 

Idle shutdown or PTO shutdown features are activated

Check the time limit on idle and PTO shutdowns with an electronic service tool. Refer to the electronic service tool manual.

 

Engine will not restart

Refer to the Engine Performance Troubleshooting Tree in Section TT this manual.

 

Engine protection fault code(s) inactive

View the fault codes and the engine protection data with an electronic service tool. Refer to the appropriate electronic service tool manual. Refer to the corresponding fault code in Section TF in the Fault Code Troubleshooting Manual, Bulletin 4022225, for fault code troubleshooting.

 

Keyswitch circuit is malfunctioning

Check the vehicle keyswitch circuit. Refer to
Procedure 019-064 in Section 19
.

 

Fuel level is low in the tank or debris in the tank is blocking the fuel pick tube screen

Inspect the fuel tank for debris. Fill the supply tank. Refer to the OEM service manual.

 

Fuel inlet restriction

Check for fuel inlet restriction. Refer to
Procedure 006-020 in Section 6
.

 

Air in fuel system

Bleed the fuel system and correct the source of the leak. Refer to
Procedure 006-003 in Section 6
.

 

Engine brakes are malfunctioning

Check the engine brake operation, adjustment, and solenoid resistance. Repair or adjust as necessary. Refer to
Procedure 020-024 in Section 20
.

 

Injector o-rings are damaged or missing

Remove and check the injectors. Replace the injector o-rings. Refer to
Procedure 006-026 in Section 6
.

 
Last Modified:  28-Jul-2010