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CM870 and ISX Engines – CM870 Electronic Control System Signature and ISX Engines – Troubleshooting and Repair Manual

FAULT CODE 551
Fault Code Path Selection

Do you have an NISS throttle pedal? Go to 70-fc551niss
Do you have an ISS throttle pedal? Go to 70-fc551iss
Do you have an SSS throttle pedal? Go to 70-fc551sss
Last Modified:  04-May-2004
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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.