Amber Triangle/Warn Engine* Indicators

EZ Money · Aug 26, 2017

Find a different shop....That was an expensive waste of money.
Did they clear the codes and the light came right back on?.....Has the DPF been cleaned in the last 250k miles?

Justrucking2 · Sep 12, 2017

You need an EGR Tuneup, clean the soot out, replace all of the associated sensors and doser. Google EGR Tuneup, there is a great video series on YouTube that walks you through the sensors and replacement. It saved my bacon.

Binodbasnet7 · Jan 24, 2019

Injun said: ↑

Here's what happened:

Had a steady amber triangle idiot light on the dash with the words "Warn Engine" in the readout part of the cluster. Stayed on steady for two days, so got it into the shop. The code being thrown indicated a problem with a DPF pressure sensor and the DPF was unable to fire as long as that light remained on. Anyone with a newer truck knows this just isn't a good thing.

Both pressure sensors were replaced. Code remained active. Notes to International, questions, more notes.... Checked the circuits up at the engine end to see what up, yo? One circuit receiving information from seven different sources. Oops. Looks like a short. But, it was the end of the day and everybody was going home. Get to it in the morning.

Next morning, code had cleared itself. Ran the h*** out of it to see whether it could be duplicated, no code. This, after the lead guy, following instruction from HQ, was preparing to overlay the wiring harness and rebuild the entire thing. That would be the sensor harness. But, since the code had cleared and not reappeared with a good hard run, thought it just might be a slow computer finally catching up.

I was released and made a beeline for the truck wash. Truck all pretty, ready to r.....crap!! Code was back. Alright. Back to International. After I gave it a little thought (don't say it. I oiled those gears last week!) I suggested we find where the water was getting into the system. Knowing the weak link in any electric system is its connectors, I suggested we start there. Mechanics like to double-check things with computers these days, it seems. It was the same code.

After poking around some, the leak was found. The wiring harness for the DPF sensors is put together in two pieces. The connection between the two is on the driver side, under the cab by the frame, about 3/4 of the way toward the rear of the truck. Mechanic dude opened it up and literally dumped water out of it. He hosed it down with that stuff that cleans and dries electric things and let it dry for about ten minutes. Put it back together, code gone. He siliconed the crap out of it to keep water from getting back into the connection.

International has been made aware of the problem and will be deciding what the final permanent fix will be. At which time, I will return to the shop that worked with me to figure it out and have them do the repair. So that this shop can collect the money for fixing it.

So. I have heard some folks saying they get a mysterious engine warning that shows up intermittently. Next time it happens, ask the shop to check that connection for water tightness. Mine had all weather protective stuff intact. Visually, it should have kept water from getting to those connections. Yet, water got in. I suspect there may end up being some sort of service advisory on this at some point. For now, you, at least, have the skinny on it.
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I had a same problem and they say I have to change the new engine and he also said $17k to fixed it.Any idea what should I do cause I’m not very good in mechanics stuff?

Kbhairo · Dec 10, 2021

Mines was just doing this , found a fuse in the dash that popped the little button out on the top for my air dryer . Pushed the button and turned truck off . Turned back on and light was gone . My anxiety gets so high every time I see a check engine light . It feels like my company is at jeopardy when a check engine light come on . I’m like ok what is the shop gonna scam me out of this time . It’s never simple with them .

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