Posted on by

CM871 and CM876 Electronic Control Systems, ISX and ISM Engines – 019-444   Aftertreatment Fuel Pressure Sensor

Table of Contents

General Information
Remove
Install

General Information

 TOC

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

For the ISX engine, the aftertreatment fuel pressure sensor is below the integrated fuel system module.

For the ISM engine, the aftertreatment fuel pressure sensor is located at the back of the engine, on the fuel system side.

  
SMALL | MEDIUM | LARGE

Remove

 TOC

Clean the area around the aftertreatment fuel pressure sensor ( ).

Disconnect the pressure sensor connector ( ) from the engine harness.

Remove the aftertreatment fuel pressure sensor ( ).

SMALL | MEDIUM | LARGE
   

Install

 TOC

Install a new aftertreatment fuel pressure sensor.

Torque Value:  14  n.m  [124 in-lb]

Connect the engine harness to the aftertreatment fuel pressure sensor.

Operate the engine and check for leaks.

Check for fault codes with INSITE™ electronic service tool.

SMALL | MEDIUM | LARGE
Last Modified:  21-Jan-2010
Avatar photo

Published by Jack

Hello, I'm Jack, a diesel engine fan and a blogger. I write about how to fix and improve diesel engines, from cars to trucks to generators. I also review the newest models and innovations in the diesel market. If you are interested in learning more about diesel engines, check out my blog and leave your feedback.