Cummins ISX CM870 (2003-06) Fault Code: 486 PID: P129 SPN: 1349 FMI: 1/18 Injector Metering Rail Number 2 Fueling Low - WarningAn unexpectedly low fuel delivery was detected on the rear three cylinders.

The ECM estimates the amount of fuel delivered to each bank by monitoring the crankshaft acceleration pattern as it rotates. This fault is set active if the ECM estimates that the rear bank is receiving insufficient fuel flow.

Possible repairs:

1)Install the original rear fueling actuator.
2)Replace the o-rings.

Cummins ISX CM870 (2003-06) Fault Code: 482 PID: P094 SPN: 94 FMI: 1/18 Fuel Pressure Low - Data Valid But Below Normal Operating Range - Moderately Severe Level.

Cummins ISX CM870 (2003-06) Fault Code: 449 PID: P094 SPN: 94 FMI: 0/16 Fuel Pressure High - Warning. High fuel pressure was detected at the fuel rail in the IFSM.

Cummins ISX CM870 (2003-06) Fault Code: 443 PID: S221 SPN: 1043 FMI: 4/4 Accelerator Pedal Position Sensor Supply Voltage Circuit - shorted low. Low voltage detected at sensor supply circuit to the accelerator pedal position sensor.

Cummins ISX CM870 (2003-06) Fault Code: 435 PID: P100 SPN: 100 FMI: 2/2 Engine Oil Pressure Sensor Circuit - data incorrect. An error in the engine oil pressure sensor signal was detected by the ECM.

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