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Old 09-28-2023, 10:57 AM   #1
Bus Crazy
ewo1's Avatar
Join Date: May 2015
Location: Central Tx.
Posts: 1,551
Year: 1999
Chassis: Amtran / International
Engine: DT466E HT 250HP - Md3060
DT466- active 143 code - Tech tip

Title: 1995-2001 DT-466E/530E Engines with Active 143 and/or 144 CMP

Fault Codes Applies To: 1995-2000 DT-466E/530E Engines

This document will guide the user through diagnosing and repairing Active Fault Code 143 and/or 144 on 1995-2003 MY emissions DT466E/530E engines.

This doc is 8 pages. download it / print it out and save for future reference.

SYMPTOM(s) - DTC/Light Description
143 SPN 21 FMI 2. - Incorrect Number of CMP Signal Transitions per Cam

144 SPN 21 FMI 8 - CMP Signal Noise detected

Customer Observations or Concerns:
EWL Illuminated
White Exhaust Smoke
Engine Misfire
Engine Surging
Engine Stumble
Attached Files
File Type: pdf dt466-active 143 code.pdf (476.7 KB, 0 views)

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