Cummins ISB CM850 (2003-06) Fault Code: 1228 PID: 27 SPN: 27 FMI: 2 EGR Valve Position - Data erratic, intermittent, or incorrect. Intermittent EGR position information is being received by the electronic control module (ECM).

This fault code is caused by an internal failure of the EGR valve position sensor. This failure causes erratic readings of EGR valve position.

Possible repairs:

1)Replace the EGR position sensor.

Cummins ISB CM850 (2003-06) Fault Code: 1145 PID: SID 6 SPN: 656 FMI: 7 Injector Solenoid Driver Cylinder 6 - Mechanical System Not Responding Properly or Out of Adjustment. Unintended fueling detected in cylinder Number 6.

Cummins ISB CM850 (2003-06) Fault Code: 1144 PID: SID 5 SPN: 655 FMI: 7 Injector Solenoid Driver Cylinder 5 - Mechanical System Not Responding Properly or Out of Adjustment. Unintended fueling detected in cylinder Number 5.

Cummins ISB CM850 (2003-06) Fault Code: 1143 PID: SID 4 SPN: 654 FMI: 7 Injector Solenoid Driver Cylinder 4 - Mechanical System Not Responding Properly or Out of Adjustment. Unintended fueling detected in cylinder number 4.

Cummins ISB CM850 (2003-06) Fault Code: 1142 PID: SID 3 SPN: 653 FMI: 7 Injector Solenoid Driver Cylinder 3 - Mechanical System Not Responding Properly or Out of Adjustment. Unintended fueling detected in cylinder number 3.

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