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Actuator Circuit
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Overview
| CODE | REASON | EFFECT |
| Fault Code: 396 PID: S083 SPN: 1244 FMI: 5/5 LAMP: Yellow SRT: |
Low current or open circuit detected at rear fueling actuator circuit. |
Engine will run using only the front three cylinders. |
 Rear Fueling Actuator Circuit
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Circuit Description
The fuel actuators are actuated by the electronic control module (ECM) to control fuel metering. Each fuel actuator is connected to the ECM by a supply and a return wire. An electrical pulse is sent to the fuel actuator from the ECM on the supply wire and returns to the ECM on the return wire. Each solenoid valve is normally closed, and it is only opened by an electrical pulse from the ECM during metering.
Component Location
The rear fueling actuator is mounted on the fuel delivery housing. It is the actuator closest to the rear of the engine.
Shop Talk
The possible failure modes are an open circuit, short to ground, and high actuator resistance.
Refer to Troubleshooting Fault Code t05-396.
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