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Rear Fueling Actuator Circuit
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Overview
| CODE | REASON | EFFECT |
| Fault Code: 2313 PID: S83 SPN: 1244 FMI: 11/31 LAMP: Amber SRT: |
Fueling Actuator Number 2 Circuit Error. Error detected on the rear fueling actuator circuit. |
Cylinders in rear bank will not receive fuel. Engine will run rough with low power. |
 Rear Fueling Actuator Circuit
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Circuit Description
The fueling actuators are commanded by the ECM to control fuel metering. Each fueling actuator is connected to the ECM by a fueling actuator (+) and fueling actuator (-) wire. An electrical signal is sent to the fueling actuator from the ECM on the (+) wire and is returned to the ECM on the (-) wire. Each actuator is normally closed, and it is only opened by an electrical pulse from the ECM during metering.
Component Location
The rear fueling actuator is located on the fuel control housing. It is the first actuator from the rear of the engine. The fuel control housing is located on the intake side of the engine below the EGR mixer. Refer to Section E for a detailed component location view.
Shop Talk
Possible causes of this fault are:
- Open circuit in the engine harness, connectors, or actuator
- Short circuit to ground in the engine harness or actuator
- Short circuit to voltage source in the engine harness
- Low or high resistance in the actuator.
Refer to Troubleshooting Fault Code t05-2313
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