Shops, Barns, Varmints, and Trucks - HELP. DT466e headache

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HELP. DT466e headache

Printed From: Unofficial Allis
Category: Other Topics
Forum Name: Shops, Barns, Varmints, and Trucks
Forum Description: anything you want to talk about except politics
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=198801
Printed Date: 21 Aug 2025 at 2:36pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: HELP. DT466e headache

Posted By: AC WD45
Subject: HELP. DT466e headache
Date Posted: 20 Dec 2023 at 10:07am

Working on a 2000 Dt466e in an International 4900. While I was laid up in april with a busted leg, it dropped an injector and they tore it apart. It sat with the injectors out for 3 months. About a month ago I put it all back together, and now the SOB won't start! I have primed the fuel system, I even filled the hpop with oil thinking maybe the HPOP wasn't priming. Nothing. It will start and run ok on fluid for 10-15 seconds but then dies. Getting a rich diesel exhaust smell and a lot of blakc/white smoke when it does fire. But it won't seem to fire otherwise. I can hear the injectors all working and I can here the lift pump cycling, I have tried swapping out the ICP switch, cam position sensor, etc no no sucess.

I'm at my wits end with this thing. Any suggestions?

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German Shepherd dad
1957 Allis Chalmers WD45
#WD234847
1951 Allis Chalmers WD
#WD88193

Replies:

Posted By: DMiller
Date Posted: 20 Dec 2023 at 2:47pm

Gonna have to call someone with a Laptop that can READ that, no guessing will ever fix it.

Posted By: KJCHRIS
Date Posted: 20 Dec 2023 at 11:54pm

I'll second DMiller's advice. Get someone experienced with the Navistar diagnostics to come look at it or you'll just be throwing time & money at it.

But first; Recheck all wiring and connections, several of the engine sensors if not completely plugged in or a broken wire will prevent starting.

We had DT444E & DT466E in our fleet about 5 years (50-70 / year) before we got any diagnostics equipment in our garages. We threw a lot of parts at them; some got fixed & some got hauled to dealer.

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AC 200, CAH, AC185D bareback, AC 180D bareback, D17 III, WF. D17 Blackbar grill, NF. D15 SFW. Case 1175 CAH, Bobcat 543B,

Posted By: DMiller
Date Posted: 21 Dec 2023 at 7:29am

One LARGE Elephant in that message is ECM concerns, was there ANY welding on that truck with that batteries connected? Has there been any activities to affect the ECM connections? Do not know of IH but the Early Detroit Diesel DDEC Electronic Brains would default to ZERO if unplugged from the engine requiring a Specific Program to be ran on a laptop to reinstate the original program. Was a attempt to stop ECM remaps.