Cummins ISB6.7 CM2350 (2013-17) Fault Code: 4713 PID: SPN: 5357 FMI: 31 Engine Fuel Injection Quantity Error for Multiple Cylinders – Condition Exists. A malfunction of a single or multiple fuel injectors has been detected.

Circuit Description
The ECM uses diagnostic software to verify injector operation. During selected conditions, each injector is fired. The fueling quantity and timing are then compared to a specified threshold.

Component Location
The engine harness connects the ECM to the pass-through connector(s) that are located in the rocker housing. Internal injector harnesses are located under the valve cover and connect the injectors to the engine harness at the pass-through connector(s).

Conditions for Running the Diagnostics
This diagnostic runs periodically during engine operation.

Conditions for Setting the Fault Codes
The Engine Control Module (ECM) detected a fueling timing or quantity error for all injectors.

Action Taken When the Fault Code is Active
The ECM illuminates the amber CHECK ENGINE lamp and/or the Malfunction Indicator Lamp (MIL) immediately when the diagnostic runs and fails.

Conditions for Clearing the Fault Code
The Reset All Faults command in INSITE? electronic service tool can be used to clear active and inactive faults, as well as extinguish the MIL for OBD applications.

Possible causes:
1)Malfunctioning fuel injectors