New Holland 3714: Lambda Sensor Fault: SRC High Error for O2 Calibration

The fault code indicates an issue with the Lambda sensor, specifically a high error in the SRC (Sensor Reference Circuit) during O2 calibration. This suggests a problem with the sensor's ability to provide accurate readings for oxygen levels in the exhaust.

1. 1

   The Lambda sensor's connection and wiring for continuity and damage

2. 2

   The sensor's reference voltage and signal output

3. 3

   The component identified by this code for proper operation

1. 1

   Inspect

   Check the Lambda sensor and its wiring for physical damage, corrosion, or loose connections.

2. 2

   Test

   Use a multimeter to measure the sensor's reference voltage and signal output, comparing it to the manufacturer's specifications.

3. 3

   Replace

   If the sensor is found to be faulty, replace it with a compatible part as specified in the service manual.