Model 15 Eagle - Engine Quits while driving

luvrbus · July 01, 2016, 04:41:47 PM

Quote from: eagle19952 on July 01, 2016, 01:32:32 PM
low coolant would be my first look....

He would have the code 43 for low coolant, code 26 is a low ground on the auxiliary shut down system

jackhartjr · July 02, 2016, 07:03:50 AM

You said you put fuel conditioner in 1,000 miles ago. That stuff can clean a lot of crudd out of your fuel system. Start by changing the filter. Happened on my big truck recently!

niles500 · July 02, 2016, 07:52:06 AM

I'm on board with coolant level, has to be the #1 reason for engine shutdown, the low power feeling is probably the engine in limp mode FWIW

Seangie · July 02, 2016, 11:23:04 AM

Mark - Im pretty sure its the shutdown system. You said you were in a mechanical so Im guessing no ecm. Can you take the shutdown system offline and run it? Then youll know where to start.

I had similar issues on my bus and the shutdown system was mounted right above the turbo exhaust and the sticker on it that said "dont mount in the engine bay or near a heat source" was browned and peeling off the unit...

-Sean

Sent from my SM-N920P using Tapatalk

OneLapper · July 02, 2016, 02:43:36 PM

Yesterday I changed the fuel filters. That restored the power.
I added about a half gallon of coolant to the surge tank. That didn't solve the issue.

I looked at every sensor wire I could find. What I did find was a DDEC IV ECU that has most of the wires cut off. It also said "8 cylinder" next to DDEC IV! This 60 must be missing two cylinders!

When I first start it up I can get 20-30 minutes of driving without it shutting down. The stop engine light may come on several times tho. After that it shuts off every 3 to 6 minutes. While rolling, it takes 2-4 key cycles to clear the flashing stop engine light and restart the engine.

I don't have what I need for tools. And the venues are picky about what you do to the bus. Dont spill diesel when changing filters!!!! The other tour bus driver told me there is a $7k fine if any spilled.

DoubleEagle · July 02, 2016, 02:57:56 PM

That's probably part of the problem, it came with a two-cycle, got changed to a 60 Series, and there are parts of both still around. You probably need an appropriate 60 Series manual, or guidance from someone who has gone through the switch in an Eagle. Is there any knowledge of who installed the engine?

Andy T · July 02, 2016, 07:41:36 PM

Are you checking the codes with the cruise switch? If the light is flashing it must have a code. Sometimes there is a separate fault switch but most of the time you turn the key on, cruise switch off, push and hold the set/resume switch down until it starts to flash. Then count flashes. There will be a longer pause of the light between the numbers of the code and a longer pause between codes. Most are two didgit codes. I can tell what each code is for but I won't be back in the shop till Monday.

Seangie · July 02, 2016, 07:53:45 PM

Mark - try and figure out whats causing the engine light to come on. Maybe if you can wiggle some wires while someone sits in the drivers seat looking at the engine light and lets you know when it goes off. Maybe pull wires from each sensor...

Youll figure it out. Your a freakin monster when it comes to this stuff.

-Sean

Sent from my SM-N920P using Tapatalk

luvrbus · July 02, 2016, 08:24:31 PM

He is on track all he needs to find is what is causing code 26 the auxiliary 1 or 2 shut down to be active that could be just the air intake.He is not dead in the water because 26 is not a circuital code more of a hair puller finding the cause, codes 43,44,45,51 and 53 then he is dead in water

good luck Mark

blue_goose · July 03, 2016, 04:52:10 AM

All ECM 4 say 8 cal., that doesn't mean it can't be programed for 4 or 6 cal. If you are getting a stop engine light you are dead in the water. Any truck shop will have a reader to tell you what is going on. You could guess for ever and never come up with a fix for the problem.
Jack

luvrbus · July 03, 2016, 05:51:35 AM

All the cut wires could be because of the engine prior application like for the transmission.The reason for 8 is because a DDEC ECM will only work up to the max of 8 cylinders,like a 12V92 it takes 2 ECMs to run (double trouble)

brmax · July 03, 2016, 06:43:55 AM

I thought I seen mention they stopped counting at 26 flashes, like they got tired and busy during the pull off and restart.
Most times fuel wont set a code, unless its a high pressure oil pump problem throwing a signal and they seem rare doing that just a hi or low sometimes? as they clear themselves pita.
I carried a "pro" cookie sheet I obtained from a baker, it was like 18"x24" worked good for venues as this, set a couple towels in it.
So its tough getting a feel for power avail but knowing something like low power "and lights flashing" not sure that one of these starts before the other. so assume same start time
Does this unit have a fuel heater / filter mount for one or more filters, or any mounting having a wire going to the "top" of it? not really the bottom one for water sense. just curious

Ecm fuse connections get heated and the terminals expand to be a issue as this, and some times just the slightest glaze coating screw up the connection. you would be surprised! how often, use dielectric.

good day there
Floyd

DoubleEagle · July 03, 2016, 08:55:30 AM

This might be an unrelated long shot, but was the engine pressure spray washed anytime recently? The trucking company I used to work for had an overly enthusiastic mechanic/fueler who would spray every part of the engine bay and we would have mysterious problems with the ECM where the computer had to be reset multiple times because of shutdown warnings (on Cummins ISX). After he left for another job, the problems went away. Moisture in the wrong spot can do bad things.

HB of CJ · July 03, 2016, 07:12:45 PM

Very long shot. Fuel starvation? Did the engine swappers change out all the rubber fuel lines? Do you have rubber fuel lines or are they all steel to steel?

If all changed out and if they are the proper diameter and if you have tested for hot temp fuel flow to the engine, then ignore the rest of this post.

If you have old rubber fuel lines consider changing them all out for the next larger size. Physically test first present hot temp fuel flow. Do not spill any.

I do not know how much fuel goes in and out of a Series 60. You may have little flow back to the tank. Or very little under hard engine use. Fuel goes both directions.

OneLapper · July 04, 2016, 11:28:47 AM

We made it back to Chicago yesterday morning. I never had a chance to get into working on the bus. The schedule didn't lend itself to making that happen. And the venues don't let you work on them. Any how...

The engine still cuts out. The only bright side to it is that this was it's last tour for quite some time. Ian purchased a nice Prevost and picks it up tomw. The Eagle is going to Jefferson's for some rehab work.

I'll update this when the solve the problem

Mark