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CM870 and ISX Engines – 019-115   Rail Fuel Pressure Sensor

Table of Contents

Initial Check
Remove
Install

Initial Check

 TOC

Use the electronic service tool to monitor the rail fuel pressure sensor, compare the reading to a mechanical gauge on the Compuchek® fitting located on the underside of the IFSM.

The two measurements must be within 69 kPa [10 psi] of one another.

SMALL | MEDIUM | LARGE

Remove

 TOC

Clean the area around the fuel pressure sensor.

Disconnect the pressure sensor connector from the engine harness.

Remove the fuel pressure sensor.

SMALL | MEDIUM | LARGE
   

Install

 TOC

Install a new o-ring. Apply grease to the o-ring groove to retain the o-ring during installation.

Install a new fuel pressure sensor.

Torque Value:  23  n.m  [17 ft-lb]

Connect the engine harness to the fuel pressure sensor. Start the engine and check for leaks.

Monitor the rail fuel pressure sensor with INSITE™ and compare the value with a mechanical gauge attached to the Compucheck™ fitting. The two measurements must be within 69 kPa [10 psi] of one another.

SMALL | MEDIUM | LARGE
Last Modified:  14-Mar-2002
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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.