New Holland 221 – ENGINE: Ambient Air Pressure Sensor Voltage is Too High

The voltage from the Ambient Air Pressure Sensor is exceeding the expected range, which may affect engine performance or diagnostic accuracy.

1. 1

   Ambient Air Pressure Sensor

2. 2

   Wiring to the Ambient Air Pressure Sensor

3. 3

   Controller input for the Ambient Air Pressure Sensor

1. 1

   Inspect

   Check the Ambient Air Pressure Sensor for physical damage or contamination.

2. 2

   Test

   Measure the voltage output of the Ambient Air Pressure Sensor using a multimeter.

3. 3

   Verify

   Confirm the wiring connections between the Ambient Air Pressure Sensor and the controller are secure and free from corrosion.

4. 4

   Check

   Examine the controller for any signs of malfunction or improper signal processing.