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EGR Valve Position – Data Erratic, Intermittent, or Incorrect
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Overview
EGR Valve Position – Data Erratic, Intermittent, or Incorrect
| CODE | REASON | EFFECT |
| Fault Code: 1228 PID: P27 SPN: 27 FMI: 2/2 LAMP: Amber SRT: |
EGR Valve Position – Data erratic, intermittent, or incorrect. Intermittent EGR position information is being received by the electronic control module (ECM). |
Possible low power. EGR valve will be closed. |
 EGR Valve Position Sensor Circuit
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Circuit Description
The EGR valve position sensor outputs a voltage signal to the electronic control module (ECM). The ECM converts this signal into a percentage value, 0 to 100 percent, indicating EGR valve position. A fully open valve is equivalent to 100 percent.
Component Location
The EGR valve position sensor is located on the EGR valve assembly. Refer to Procedure 100-002 for a detailed component location view.
Shop Talk
This fault code is caused by an internal failure of the EGR valve position sensor. This failure causes erratic readings of EGR valve position.
Refer to Troubleshooting Fault Code t05-1228
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