Case IH ENG153: Intake Manifold Temperature Sensor Voltage Is Too High

The voltage from the Intake Manifold Temperature Sensor is higher than expected, which may affect engine performance or diagnostics.

1. 1

   Intake Manifold Temperature Sensor

2. 2

   Wiring to the Intake Manifold Temperature Sensor

3. 3

   Controller input for the Intake Manifold Temperature Sensor

1. 1

   Inspect

   Check the Intake Manifold Temperature Sensor for physical damage or contamination.

2. 2

   Test

   Measure the voltage output of the Intake Manifold Temperature Sensor using a multimeter.

3. 3

   Verify

   Confirm the voltage reading matches the expected range for the current temperature.

4. 4

   Check

   Examine the wiring and connections to the Intake Manifold Temperature Sensor for shorts, breaks, or poor contact.

5. 5

   Consult

   Refer to the service manual for specific diagnostic procedures related to the Intake Manifold Temperature Sensor.