John Deere 000157.17: Fuel Rail Pressure Sensor Signal Voltage Is Low

The signal voltage from the Fuel Rail Pressure Sensor is below the expected level, as detected by the ECU. This may affect the proper operation of the fuel system.

1. 1

   The Fuel Rail Pressure Sensor

2. 2

   The wiring and connections to the Fuel Rail Pressure Sensor

3. 3

   The ECU for proper functionality

1. 1

   Inspect

   Inspect the Fuel Rail Pressure Sensor for physical damage or wear.

2. 2

   Check

   Check the wiring and connections to the Fuel Rail Pressure Sensor for corrosion, looseness, or damage.

3. 3

   Test

   Test the Fuel Rail Pressure Sensor for proper signal output using a diagnostic tool.

4. 4

   Verify

   Verify the ECU is receiving the correct signal from the Fuel Rail Pressure Sensor.