2006 dt466 engine problems. Not getting many answers in the Conversion threads.

2006 dt466 engine problems Losing fuel prime when set overnight. The first time it happened The International DT466 completely changed the medium-duty truck market and set the bar. EdBoy9573. Turn the ignition switch to OFF. Monitoring Engine Parameters Using EST and Fuel Pressure Gauge. Thread starter Tennesseahawk; Start date Apr 12, 2006; Tennesseahawk Veteran Expediter. Covers: 2004, 2005, 2006 International DT466, DT570, HT570 Engine. Can you offer some advise. While Mechanical fuel-injected DT466 From 2006 until now, a U. Jump to Latest Anyway I guess I left it open too long because a few minutes later the engine bogged down and died. The cooling sytem has been gone through but it is still having overheating problems ,mine holds 8 gallons. The horsepower/torque curves above correspond with two DT466 (MaxxForce DT) ratings available for 2016. Arne-2008 International 4300 with DT466 DT466 ecm problems. I did notice that the IPR is knocking really hard. Serial No. The truck even ran though was a hard starter. I would smell for fuel in the crankcase too. exh. Now something to consider "outside of the box". WH-150 (from the net) I couldn't find these in time, the guy needed his truck. Record results on Diagnostic Form. Hello, I think I know what the issue is, I am just fishing for a bit of clarification before I move forward. The ECM illuminates the red ENGINE lamp and sounds the audible alarm. if it has one turbo it is better than the dual turbo engines. . Discussion in 'International Forum' started by pgguy2003, Apr 14, 2019. BHP @ RPM - 210@2300 ENGINE FAMILY - DT466 LB-FT TORQU - 520 @ 1400 Hello, I’m having the same type of issue. Aerated Fuel Inspection. Here's the story: I went to pick up the bus, and the batteries were dead from sitting for a year. What can cause me to have this slow throttle response? thanks sherrill I have a 2006 DT466 4300 box truck that has an intermittent idle/surge issue. DT466 04 Int'l 4300 cooling issue. Loaded truck and drove 3 miles and set for about 30 min. 262. 30 r/a, SCT, 4in exh. Andy. The engine vents to the atmosphere and vapor can The engine is now known as the DT466 but it has all the advancements technology has developed in the past 20+ years. Recently I can't go any faster than 35-40 MPH on the highway unless I'm going downhill. DTC: 222, SPN: 247, FMI: 2 Break Switch Circuit Fault; 2. 1) Engine breather tube. I have seen many bad clean power wiring faults. Mine does the exact same thing. I have had the truck about a month. 6 Navistar International DT466 diesel engine?Subscribe to DGHD: https://bit. These symptons are no where near the same as the 2006 DT episode. Truck will only go about 10mph, the only active code I have is Injection Control Pressure above/below desired level. Bad connections at the 12 wire plug from chassis to engine harness. Jump to Latest 2006. It's crazy reliable, dead simple, and super hard to break. Hello all, I am having a little trouble with my 99 International 4700 dump truck. A month ago I started it, and 2005 International 4300 DT466 Turbo issue. Thanks 4:51 AM Covers: 2004 2005 2006 International DT466 / DT570 / HT570 Electronic Diagnostic Troubleshooting. When he got back he checked the oil again, had to put in 18 qts. I'm thinkin it's a problem in the suction line, INTERNATIONAL DT 466 engine pdf manual download. Got a smokin deal on a 05 with EGR that is just a slug with bad fuel economy. DT466(originally 230hp), #0 fuel plate, tighter gov springs, 22* timing or, 06 IH 7400, DT466E, 300hp My Low Buck fuel rate site: International engine problems. There seem to be 2 torque specs when it comes to injectors. I pulled IPR valve, found broken screen, replaced it, and it started and ran great. We have had several DT466 engines do that, turns out to be the o ring around the liner. 5. Problems and Conditions. M. A forum community dedicated to Diesel engine owners and enthusiasts. • If engine has an optional Engine Fuel Pressure (EFP) sensor, ask the operator if the amber FUEL FILTER lamp was on during vehicle operation. He posted here because of the DT466 problem. Adding Exhuast Brake to DT466 JpsFarms47 posted Mar 25, 2025. My problem: Lacking power on takeoff/ struggles to get up to speed. Production Period: This engine was in production from 1994 until 2006, marking over a Navistar DT466/570/HT570 Engine Service Manual 2004-2006. DT466 vs DT466E Hey guys I have a Dt466 Maxxforce engine that for the most part it starts just fine but sometimes it struggles to turn on. if you are looking at one get the vin and call your local international dealer and • DTC 321 is set by the ECM when the engine coolant temperature is above 110 °C (230 °F). Download Table of Contents Contents. The bottom side of block is clearances more for bigger stroke. If you’ve ever been to a tractor pull and seen all of DT466 Diesel Engine: The Navistar International Legend The DT466 legend crosses into the industrial, agricultural, and truck realms. Jan 3, 2016 0. 272. For 1 I have a 2006 DT 466-E with a engine brake, Just thought I would give you a heads up on future problems down the road. The engine’s reputation in the departments of longevity, performance, and reliability is reinforced by more than 25 years of Read More I have a 2006 DT466 with rough idle and no power. Tried the starter it is good, try the battery it is good, changed every fuse & replaced the relays. a. The parts are not going to be exactly the same. There are NO fault codes or check engine lights on the dash. Apr 12, 2006 #1 I've heard that on the 2004 model Internationals, that the engines On the other hand the DT466 is a pretty good engine . One head to fix fuel in oil problem. Apr 14, 2019 0. International shop replaced the water pump and all seemed well. A few weeks ago the engine started and ran fine, no issues. WrenchWrenchWrench Light Load Member. Cant get over 45-50; Low boost reading low for what it should be according to manual; Exhaust back pressure reading weird on scanner. I have seen the connector wear enough to fall off of it's mating connector and the engine die in the middle of nowhere. The engine was even a Re-con by Navistar that looked good externally. pgguy2003 Bobtail Member. thus eating away at the cam. 2006 DT466 Problem. i ENGINE - DT466 MODEL YEAR - 2004 MODEL - D210 ADV. spiral snap ring Hercules pt. Add to my manuals. Once this happens it seems the computer decelerates the engine. It will be as much as a 2 to 3 seconds sometimes. The daytime running lights (DRL) and low beam headlights are inoperable. Factory printed engine (mechanical) service manual covering torque specifications, maintenance, mechanical diagnostics, repair & overhaul. 2006 F350 Lariat CC Dually 4X2, 6. We have 6 of the engines in our fleet and have changed 4 cams. it looks like that pump has been replaced and i am wondering if that part was not cleaned out of the fuel bowl previously. These engines are found in a variety of medium duty applications, including buses, box trucks (especially common in moving trucks), and even some heavy duty trucks. The lifter clips will break and causes the lifter to twist. Navistar’s MaxxForce DT466E is the latest generation for one of the most enduring designs in modern diesel engine history. Home » International DT466 » International DT466 – ENGINE SYMPTOMS DIAGNOSTICS – Problems and Conditions International DT466 – ENGINE SYMPTOMS DIAGNOSTICS – Problems and Conditions – Combustion Leaks to Coolant. 25+ Posts. Come join the discussion about performance, builds, ecodiesel, towing capacity, modifications, classifieds, troubleshooting, DT466 Engine History: The Birth of “The Legend” The DT466 didn’t earn its nickname “The Legend” by accident. It has a DT466E 250 hp motor. The 2004-2006 International DT466, DT570 and HT570 service/repair manual covers mechanical service and Engine start at unplugged IPC can indicate ICP or harness fault. Why they are occuring, how to fix them etc. It comes with forged steel rods that can handle more than 1000 horsepower and the crankshaft is over 150 pounds – and it is just as capable. When I drive it does good at low rpms but when I try to accelerate it stutters and puffs smoke. B50 Engine Life: 550,000 miles : The DT466 has been offered in a variety of power levels tailored to various applications. The connector on the left side of the valve cover where the engine harness connects to the injector harness is a problem area on a DT466E. Started it back up and the amber engine light was on and still loping. The DTCs are: 1. ICP Desired and Actual are compatible with each other and work like they should when revving up the engine. Electromagnetic Interference (EMI) or ground shift can cause an insignificant voltage shift that does not indicate a problem. You should be able to tell the difference between a DT466 of the pre-96 era and the DT466 of the post-2004 era. i stand corrected, 335 - ICP SYS ICP unable to build pressure during cranking and 333 - ICP SYS Injection Control Pressure above/below desired level, like nceaglene said, need to troubleshoot the icp system, make sure to check the ipr valve connector and wires, its the only two wires going to the pump, dead head the pump when the engine is cold since thats when it I have a 1999 4700 with the dt466e. It works fine as your driving Great Fix!* 99 DT466 *No Throttle* EdBoy9573. Turned out they had neglected the antifreeze causing electrolasis , overheated the engine ruining the head. Worst case I thought inframe kit. I have a dt466 that is a slug. On a cold engine it takes more battery power to crank the engine compared to a HOT engine, so it What could possibly be wrong with the 7. I have basically ruled out all external visual problems. Said he checked the oil level and ran it about 200 miles. This inline-six turbodiesel first appeared in 1971, powering agricultural equipment before making its way to highways in 1975. If the lamp was on, change the fuel filter and retest for poor engine operation. Outside temp or operating temp does not seem to matter. Apr 14, 2019 #1. The engine had low ICP and wouldn't start a couple weeks ago. Had a customer bring in his 03 4700 with a dt466e. (Dt 530,570) crank and rod clearance. Shut it back off and started back up and its fine with no engine light on. The engine starts and runs fine. Can some of you guys that work on these trucks everyday give me a cheat sheet on what to look for. Some of the common problems facing the engine include: The DT466E engine's injectors are susceptible to wear and tear failure, which can cause complications like reduced fuel efficiency, rough idling, power loss, and Power problems at the ECM can cause fault codes like your getting. Power steering fluid Hey Bruce, I have 07 International 4300 with Dt466 engine. Had problems of sluggish. I drove a 04 DT466 for almost two years and the thing could walk any truck my competition had. 10 LS, SCT, airbags, 4 in. You should use a reader that can determine how old the codes are that you are chasing. Jump to Latest To answer your voltage question, that's EXACTLY what is likely causing your problem. 154K Rebuilt engine to repair damage from burned piston. Check rpm on instrument panel. I starts good, idles good, and will rev up as long as it is parked. They went to mid engine sleeve oring design like most other engine makers. We have a 93 with over 500,000 miles and it never gives us any problems . The DT466 diesel is the same engine as the Ford The only problems we have had are system and have many issues . What to look for on a 2007 International with a DT466 engine? Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by WrenchWrenchWrench, Sep 21, 2018. DT466 Engine Specs: Engine Data: Production: 1971-2006: Configuration: Inline-six (I Driver drove the truck about 50 miles to load truck. 105. hi i have problems with international engine dt466e water in oil i remove the head we check the head for leaks with no problems 9273 posts · Joined 2006 Add to quote; Only show this user #3 · May 7 Applies To: 2004 - 2006 DT466 / 570 EGR I6 Engines Countries: AUSTRALIA, BRAZIL, CANADA, UNITED STATES, SOUTH AFRICA Document ID: IK1200072 Availability: ISIS, Bus ISIS, FleetISIS Revision: 7 Engine DTCs. *Can* it be done? that would affect the engine only. The all-iron DT466’s wet sleeve technology revolutionized the medium duty engine market when it debuted and its overbuilt design means it’s exceptionally hard to kill. " no The government has a site with extensive research that they did on the DT466 engine where they ran the engine for sessions: first session, 1000 hours, second session, 500 Common Problems with a DT466 Engine. Might not be a problem with all styles of pumps but I have ran into it several times. The head will be coming off next week it appears. Truck has been sitting most of the winter, and I have been starting it every month or so to keep things fresh. Mechanic at Engine type? Customer: 2006 int 4300 dt466 Mechanic's Assistant: Are you fixing your will that create the problem that i am looking at . Come join the discussion about performance, builds, ecodiesel, towing capacity, modifications, classifieds, We have a 2001 International 4700 with the Dt466. 3. No Codes Hard Start in the cold (below 40*) Poor I am having a problem with one of the, that my mechanic has been reluctant to address, and was wandering if some of you guys had some suggestions. Bluenozer Top Member. Symptom Excessive low power on take-off or intermittent low power from drive cycle to drive cycle Cause • Electrical power or ground issue • Inoperative turbocharger assembly • Failed turbocharger actuator Tools • Digital Multimeter (DMM) • Turbo Breakout Harness • 12-pin Breakout Harness Procedure 1. International should warranty this. This engine always used to run 20psi at the lowest at idle. Fuel Inlet Restriction. Sign In Upload. Jan 17, 2018 #1 work rigs: 94 IH 4900, DT466(originally 230hp), #0 fuel plate, tighter gov springs, 22* timing or, 06 IH 7400, DT466E, 300hp I'd guess that'll never be a problem. Page 1 of 2 1 2 Next > Sep 21, 2018 #1. When the temperature drops below 110 °C (230 °F) the DTC will become inactive. 2006 int 4300 dt466. I am so disappointed in hearing about this engine o-ring failure problem. It feels fine just driving around town. ly/SubDGHD | Merch: https://debossgarage. Run engine at high idle, monitor ICP, and record initial results on Diagnostic Form. Engine Serial Numbers: 2000001 to 2999999; Pages: 659 Format: PDF download File size: 28mb Compatibility: Windows/Mac/Mobile Notes: Instant digital download only – no printed copy or CD-ROM media. 2006 International 4300 DT466 drl headlight issue I work for a vehicle and semi-truck electrical repair shop and I’m having an issue with a 2006 International 4300 DT466. International DT466 engine specs and history. I'm here to help you with your 2006 International DT466 engine issue regarding the base oil pressure. Not getting many answers in the Conversion threads. Engine Coolant Temperature signal out of range LOW 115* ECT condition. 0 auto, Lariat, 4. For diagnostics, see “Engine Symptoms Diagnostics” – Section 4 (page 101). Thanx for everyone's input!!! It has a DT466e engine and an Allison Automatic Transmission. I changed the fuel filter cartridge and put new batteries in Less Info Countries: CANADA, UNITED STATES Document ID:IK1201407 Availability: ISIS, Bus ISIS, FleetISIS, Body Builder, NotSIRRevision: 4 Major System: ENGINES Created: 1/12/2018 Current Language:English Last Modified:10/16/2018 Other Languages:NONE Author: Dan Myers Viewed: 2066 Hide Details Coding Information Copy Link Copy Relative Our international has a problem with the throttle. Bad connections between battery and relay. • If unit was run out of fuel, make sure the fuel system was primed. 11' MaxxForce Dt466 Hard Start/No Start problem Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by tiggz_tiggz, Jan 17, 2018. 106. Now it won't start again but "tries" to, like it's running on 2 cylinders or something. Login. NOTE: If equipped, push optional push button to crank engine. 270. mikalle76 Discussion starter. it sounds like you unnderstand what to do,but egt's are a big part of overall heat build up in engine,it will even heat up the trans "automatic". 103K New heads to repair diesel in coolant, 148K. For the most part, the DT466 engine is regarded for use in medium heavy duty trucks and various other purposes. started the truck up and it started loping again. I'd prefer it over other engines available in medium duty trucks . Some common issues include: head gasket failure, turbocharger failure, injection pump failure, and cooling system DT466 issues. Share. 232 posts · Joined 2006 Add to quote; Only show this user 403 446 183, and the replacement i got is #403 446 226. Also for: International dt 570, International ht 570. Stop paying for the dealerships parts installer's guessing and look around. Customer: 2006 International 4300 with a DT466 engine. I bought IDM from Ebay for 2006 international school bus DT466 engine, it's for Ford, actually I replaced with Dorman 904-229(bottom board) already just want to try to solve my problem, but it didnot, it still happened same, quit randomly, replace all harness didnot work, need replace whole IDM. Won't crank doesnt start. 0 L 6. URL of this page: HTML Link: Bookmark this page. Sometimes the engine stops in the perfect spot where the lift pump is on the top of the cam and won't pump manually. Consulting a professional mechanic for a thorough diagnosis is often necessary. During a road test the yellow engine light turns on and engine warn is diplayed in the odometer. The 2004-2006 International DT466, I understand you have a datalink problem and can't read codes or engine data from the ecm, but this is the proper way to continue to diagnose this. DT466 Injector Torque Specs. if you have a chance get a 2006 or earlier emissions engines. The intake manifold was cast into top of head now and other changes. All 3 times same problem: the truck will be driving fine and all of a sudden the truck dies and will not restart. Aerated Fuel. I connected the ServiceMaxx Log in or Sign up. no. Did you fix your problem yet? If so what was the problem? Mine has been frustrating Re 2006 international 4300 with 466 DT (automatic) I have owned this truck for two DTCs are read using the EST or by counting the flashes from the amber and red ENGINE lamp. (check engine light comes on when unplugged) Parameters: 2006 F450 CC Hauler bed 4x2 6. How can I Any progress on this problem. DTC525 IDM fault • DTC 525 is set by the ECM when there is an internal IDM failure. I was told my Have a 2006 Dt466 international engine. Engine will run noticeably different if unplugged. there is a spiral retaining ring that is supposed to eliminate this problem. The DTCs are located in the DT 466 / DT 570 / HT 570 Diesel Engine Diagnostic Manual. 2006 International 4300 w/ DT466 won't start Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by ljfen, May 31, 2019. My engine ran strong. 0 auto 4. Symptoms of this include the following: • Wait to start lamp cycles ON while engine running • Engine stumbles and may die • Loss of accelerator pedal authority • Miles driven. ljfen Low or no fuel pressure is one thing the engine will not log a code for. The truck cranks and fires in about 2-3 seconds with no long cranking noted. This can cause a variety of problems. also, cam shaft. Your participation is appreciated. 2007 9400i dash issue Jesse24spd posted Mar 22, 2025. International and Isuzu trucks , International, Maxxforce, Cummins and Isuzu engines, Diagnostic and electrical troubleshooting specialist , Hvac and truck I have a problem with my 2004 4300 dt466 international truck overheating, we have put a new radiator , new water pump, new thermostat, new hoses, new clutch fan, we have even changed radiator with another truck we have with same engine and it didnt over heat in other truck but did overheat in this one. Symptom Combustion leaks can be identified by coolant overflowing from deaeration tank or air bubbles Symptom An Electronic Control Module (ECM) reset occurs when the ECM momentarily reboots or is turned OFF and ON while the engine is operating. i called the local diesel shop, the guy said it would work no problem, but it was a pump for a 215hp dt466, my engine is a 180hp dt466. Please share your information here. The injection pressure sensor could also be causing you issue. The first one is for the International’s DT466 inline 6 cylinder turbodiesel is everywhere – literally. Jump to Latest Take the air cleaner hose off the turbo after pressure washi g the engine get it hot andspray a mist of water into the turbo it will go thru the engine and clean all the carbon out and free up the valve This engine is lucky to build 10 pounds with the radiator completely covered over with a piece of cardboard. I have the problem fixed but, thought I would pass this along. Replaced the IRP valve code is still active, still no power. My 05 International 4300, DT466 seems to have slow throttle response from a take off position. Posted 10/4/2006 14:39 (#48693 - in reply to #48685) Subject: Re: low oil pressure on DT466 engine: Hagen Brothers farms,Goodrich ND: if the IH 466 is like other engines, I have a 2007 International 4300 Durastar with a DT466 engine. When DTC 525 is set, Prev DT 466 problems. Not real familiar with what does what around the fuel filter/hpop area. 91. The strength and robust engine is regarded in many industries. Check batteries and Common DT466 Problems and Failure Points. Monitoring Boost Pressure Using Pressure Sensor Breakout Harness. Page 1 of 3 1 2 3 Next > May 31, 2019 #1. Continue to run the engine at high idle for 2 minutes, monitor ICP, and record the 2 minute results on Diagnostic Form. 108. Do you I'm having fuel issues on my dt466 and I have no idea why. Adding Exhuast Brake to DT466 JpsFarms47 posted Mar DT466 Most common Oil Leak suspects if your not losing engine lube. Canada 700 John, I have a 04 4900 with a DT466E. There is no extra power less the EGR cooler and increased emissions, simply no reason to do it. I changed the cps and shimmed to new standards, did not correct the problem. The truck is an International 2004-2006, Model 4300, Engine DT466E with an Allison MD transmission. The rated HP is 245. Hello! I'm Joey, a heavy equipment tech since 2006. • If engine speed is below specification, the engine will not start. Way worse when Pressuring the tank with about 5 PSI will help find any leaks as Neverenough suggested. 1 0. Additionally, they don’t produce the crazy power levels Engine: dt466 egr 245hp (not dt466e was after the “e” version and before the maxxforce) Turbo: Vgt s300 series (fresh overhaul, engine had running issues prior to turbo We are having our 2006 4300 (DT466) towed for the 3rd time. What kind of problem are you having with this blue toy, 2006 International 7300 fault codes 1 - 1 613 - 14P 7 In Nov 2006 at 198,000 miles I had a water pump failure and over heated the engine a bit. Jump to Latest 2006 2500HD Duramax The question is why isn't the fan locking up? If you have an engine problem that is creating excessive overheating, the fan should still lock up. Let's work together to diagnose and address any potential problems like relief valves for your VIN 7H529620. The problem has happened twice before if I let the truck sit for 3-4 days it turns over but acts like it is not getting fuel. you do not have room If the engine starts and runs, then it's getting vIGN and vBAT power as well as good grounds. Engine rear. Move turbocharger Good morning all, 1st post here! May be a bit long but trying to provide as much info as I can. 2000001 & Above Pages: 520 Format: PDF download File size: 22mb Compatibility: Windows/Mac/Mobile Notes: Instant digital download only – no printed copy or CD-ROM media. After about four procedures of waiting for the glow plug warm up and cranking for long periods of time (huge puffs of smoke when you stop cranking) it will suddenly fire up. If it's the oil cooler you should be getting oil in the coolant when the engine is running. Most problems with engine were fuel system related but back then this was new technology to be afraid Common DT466 Engine Problems. Navistar Engine Manual Coverage. It wears from vibration and can cause a lot of problems. Got a IH truck engine problem . The DT466 is a reliable engine, but it is not without its problems. Latest edition. More guys are familiar with a 466 up here. Tried to engage start just wont turn over. I pulled the new IPR valve and screen was broken again I bought a truck with the DT360 (baby DT466) that I knew had engine problems. S I've heard alot about problems that people all over are having with IC buses and the DT466 engine. This truck is owner operated and never abused. Add My truck is at the International dealer getting fixed as I am posting this for the same problem at 159,550 miles on our 2003 International 4300 with a DT466 engine. The highbeam headlights, markers and all other lights function properly. When I You will lose gas mileage and have other engine problems that will tell you that you need to do some repair work. It is getting worse to the point sometimes I can't get it running. Have a 2003 International 4300 with the DT466, 50k miles. The next week I went on one of my long trips and got 600 miles when the engine just started to slow down. This time it killed the engine. Disconnect the clean power harness from the batteries and cut the tie straps and pull the harness out where I have a 2006 DT466 4300 box truck that has an intermittent idle/surge issue. The physical makeup of the DT466 and MaxxForce DT engines is simple yet burly in virtually every way. If you have the Navistar On Command installed, all the schematics are in that. If your engine is losing power, check for common issues like clogged fuel filters, air intake problems, or turbocharger malfunctions. I cant remember if this is normal or not. I would like to learn more about these problems. Delete from my manuals. When you take your foot off the check engine light comes on and there is no more response from the throttle. If you were to hold the IPR when Concerned about some DT466 engine problems? Find out what you can do about these engine problems with the DT 466 straight from the experts! Despite their terrific reputation for reliability, the DT466 does suffer from a few common problems with the injector return lines and emissions-related electrical components. Today I let it warm up We found that when it fails, all you have to do is wiggle the connector and the truck works fine. 36 feet on the floor Elite/Outlaw LQ horse trailer. No problems. 131 118. Combustion Leaks to Coolant. aep axfvo tli siy dvct menjsc iogp hfhfkn rotxp xflz oxab kfoznz nbtk axyvu sbmg