M11 Series – Service Manual – Engine Starts But Will Not Keep Running

Symptom Tree  t072

This is symptom tree t072
Cause Correction

Electronic fault codes active or high counts of inactive fault codes

Refer to Section TF in the Troubleshooting and Repair Manual for CELECT™ Plus Systems, Bulletin 3666130, or Section TF in the Troubleshooting and Repair Manaul for CELECT™ Systems, Bulletin 3666084.


Engine idle speed is set too low (mechanical fuel systems)

Adjust the fuel pump idle speed. Refer to Procedure 005-029.


Idle shutdown or PTO shutdown features are activated

Turn OFF the keyswitch for 5 seconds. Turn ON the keyswitch and check fault lamp operation.


Air in the fuel system

Check for air in the fuel system. Refer to Procedure 006-003.


Engine-driven units are engaged

Disengage engine-driven units.


Fuel is waxing due to cold weather

Check the fuel heater, if installed. Weather conditions sometimes require a fuel heater.


Fuel inlet restriction

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


Fuel shutoff valve is closed

Check for loose wires. Check for power to the fuel shutoff valve solenoid.


Exhaust system restriction

Check the exhaust system for any restrictions. Refer to Procedure 011-009.


Air intake system restriction is above specification

Check the air intake system for restriction. Clean or replace the air filter and inlet piping as necessary. Refer to Procedure 010-031.


Fuel grade is not correct for the application or the fuel quality is poor

Operate the engine from a tank of high-quality fuel. Refer to Fuel for Cummins Engines, Bulletin 3379001.


Fuel pump is malfunctioning

Check the fuel pump output pressure, pulsation damper, and pressure regulator. Replace the fuel pump if necessary. Refer to Procedures 005-016 and 005-031.


Engine brake adjustment is not correct

Adjust the engine brakes. Refer to Procedure 003-004.


Injector cup is damaged or is not correct

Check the injector cups for damage and for correct part numbers. Refer to Procedure 006-026.


Static injection timing is not correct

Check the static injection timing. Refer to Procedure 006-025.

Last Modified:  08-Jan-2004