Cummins N14 STC, Celect, Celect Plus – Service Manual Smoke, White – Excessive (CELECT™ or CELECT Plus™)

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 in the CELECT™ Systems Troubleshooting and Repair Manual, Bulletin 3666084.

Engine block heater is malfunctioning (if equipped)

Check the electrical sources and wiring to the cylinder block heater. Replace the block heater, if necessary. Refer to the OEM service manual.

Coolant temperature is below specification

Refer to the Coolant Temperature Below Normal troubleshooting symptom tree in Section TS..

Coolant temperature sensor is malfunctioning

Check the coolant temperature sensor. Refer to Procedure 019-019 in Section 19 in the CELECT Plus™ System Troubleshooting and Repair Manual, Bulletin 3666130.

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.

Intake manifold temperature sensor is malfunctioning

Check the intake manifold pressure/temperature sensor. Refer to Procedure 019-059 in Section 19 in the CELECT Plus™ Systems Troubleshooting and Repair Manual, Bulletin 3666130, or Procedure 019-059 in Section 19 in the CELECT™ Systems Troubleshooting and Repair Manual, Bulletin 3666084.

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 see ecm_calibration_rev_history.xls or the INCAL™ calibration DVD. 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 in the CELECT Plus™ Systems Troubleshooting and Repair Manual, Bulletin 3666130, or in the CELECT™ Systems Troubleshooting and Repair Manual, Bulletin 3666084.

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.

Overhead adjustments are not correct

Measure and adjust the overhead settings. Refer to Procedure 003-004 in Section 3.

Injector high-pressure connector torque does not meet specification

Check the injector high-pressure connector torque. Refer to Procedure 006-026 in Section 6.

Static injection timing is not correct

Check the static injection timing. Refer to Procedure 006-025 in Section 6.

Coolant is leaking into the combustion chamber

Refer to the Coolant Loss – Internal troubleshooting symptom tree in Section TS.

Cylinder head gasket is leaking

Check the cylinder head gasket. Refer to Procedure 002-004 in Section 2.

Valve protrusion is below specification

Check the valve protrusion. Replace the valve seat inserts or the cylinder head. Refer to Procedure 002-004 in Section 2.

Injector protrusion is not correct

Check the injector protrusion. Refer to Procedure 006-026 in Section 6.

Pistons or piston rings are worn, damaged, or not correct

Check the pistons for correct part numbers. Refer to Control Parts List (CPL), Bulletin 4021328. Check the pistons and rings for wear and damage. Refer to Procedure 001-043 and Procedure 001-047 in Section 1.