Cummins ISX11.9 CM2250 – Service Manual 019-444   Aftertreatment Fuel Pressure Sensor

The aftertreatment fuel pressure sensor is used to monitor the fuel pressure in the aftertreatment system.

The aftertreatment fuel pressure sensor is located on the aftertreatment fuel shutoff manifold.

Clean the area around the aftertreatment fuel pressure sensor.

Disconnect the pressure sensor connector from the engine harness.

Remove the aftertreatment fuel pressure sensor.

Install a new aftertreatment fuel pressure sensor.

Connect the engine harness to the aftertreatment fuel pressure sensor. An audible click will be heard when the connector locks in place.

Operate the engine and check for leaks.

Use INSITE™ electronic service tool to check for fault codes.