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Symptom Tree t062
Cause | Correction |
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Electronic fault codes active or high counts of inactive fault codes |
Refer to Section TF in the CELECT Plus™ Systems Troubleshooting and Repair Manual, Bulletin 3666130, or Section TF of the CELECT™ Systems Troubleshooting and Repair Manual, Bulletin 3666084. |
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Injector is malfunctioning (CELECT™ and CELECT™ Plus) |
Perform the automated cylinder performance test. Replace injectors as necessary. Refer to Procedure 006-026 in Section 6. |
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Injector is malfunctioning (PT/STC) |
Remove and check the injectors. Replace injectors as necessary. Refer to Procedure 006-026 in Section 6. |
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Condition occurs only at idle |
Refer to the Engine Runs Rough at Idle troubleshooting symptom tree in Section TS. |
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Engine is operating at low ambient temperature |
Check the shutters and engine compartment air. Refer to Operation of Diesel Engines in Cold Climates, Bulletin 3379009. |
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Electronic control module (ECM) calibration is malfunctioning |
Verify that the electronic control module (ECM) calibration is correct. Check the calibration revision history for applicable fixes to the calibration stored in the ECM. Refer to the calibration history spreadsheet on QuickServe™ Online Internet Website or the INCAL™ calibration CD. Compare the calibration stored in the ECM with the engine rating and the Control Parts List (CPL), Bulletin 4021328. If necessary, calibrate the ECM. Refer to Procedure 019-032 in Section 19 of the CELECT Plus™ Systems Troubleshooting and Repair Manual, Bulletin 3666130, or the CELECT™ Systems Troubleshooting and Repair Manual, Bulletin 3666084. |
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Fuel grade is not correct for the application or the fuel quality is poor |
Operate the engine from a tank of known high quality fuel. Refer to Fuels for Cummins® Engines, Bulletin 3379001. |
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Air in the fuel system |
Check for air in the fuel system. Refer to Procedure 006-003 in Section 6. |
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Fuel inlet restriction |
Check for fuel inlet restriction. Refer to Procedure 006-020 in Section 6. |
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Fuel pump pulsation damper is cracked |
Inspect the fuel pump pulsation damper. Replace the pulsation damper if necessary. Refer to Procedure 005-031 in Section 5. |
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Overhead adjustments are not correct |
Measure and adjust the overhead settings. Refer to Procedure 003-004 in Section 3. |
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Static injection timing is not correct |
Check the static injection timing. Refer to Procedure 006-025 in Section 6. |
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Cylinder head valve leak |
Check the cylinder head for fuel leaks between the valves and valve seats. Refer to Procedure 002-004 in Section 2. |
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Camshaft is damaged |
Inspect the camshaft for damage. Refer to Procedure 001-008 in Section 1. |
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Internal engine damage |
Analyze the oil and inspect the filters to locate an area of probable damage. Inspect for damaged crankshaft, pistons, and liners. Refer to Procedure 007-083 in Section 7. |
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