Case IH ENG123: Boost Pressure Sensor Voltage Too Low

The boost pressure sensor is reporting a voltage that is below the expected range, which may affect engine performance and efficiency.

1. 1

   The wiring and connections to the boost pressure sensor

2. 2

   The integrity of the sensor itself

3. 3

   The power supply to the sensor circuit

1. 1

   Inspect

   Check the wiring and connections to the boost pressure sensor for damage, corrosion, or loose contacts.

2. 2

   Test

   Use a multimeter to measure the voltage output of the boost pressure sensor and compare it to the manufacturer's specifications.

3. 3

   Replace

   If the sensor is faulty or the voltage is consistently out of range, replace the boost pressure sensor with a compatible part.