New Holland 3722 – ENGINE: Lambda Sensor: LSU sensor temperature Ri exceeds the maximum limit

The Lambda Sensor (LSU) is reporting that the temperature Ri has exceeded the maximum allowable limit. This indicates a potential issue with the sensor's ability to function within normal operating parameters.

1. 1

   The Lambda Sensor (LSU) for visible damage or contamination

2. 2

   The wiring and connections to the Lambda Sensor (LSU)

3. 3

   The operating conditions of the engine that may cause abnormal sensor temperatures

1. 1

   Inspect

   Inspect the Lambda Sensor (LSU) for physical damage, contamination, or signs of overheating.

2. 2

   Check

   Check the wiring and connections to the Lambda Sensor (LSU) for looseness, corrosion, or damage.

3. 3

   Monitor

   Monitor the engine's operating conditions and temperature levels to identify any abnormal factors that may affect the sensor.