What makes these things "roll coal"?
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Laughing Gas
Joined: Mar 2019
Posts: 947
Likes: 144
From: Columbus Ohio
What makes these things "roll coal"?
So, until the other day when I kicked the cac boot off the turbo while pulling my camper all was great. Now since doing it it seems to roll coal alot easier now, even getting into the throttle all the way, seems to leave huge amounts of unburnt fuel into the air, causing the roll coal look, which some people like, but i dont! Doesnt feel as "snappy"/powerful as it felt before either. I dont have any CEL lights, no precodes with either Torque Pro or Forscan light. No idea what's causing it, anyone ever have anything like that? Thank you!
Fleet Mechanic
Joined: Sep 2006
Posts: 1,491
Likes: 295
From: Fresno, CA
I think I read your thread, did you drive it a ways with the CAC boot off? I imagine it was rolling a ton of coal while doing that? Might have sooted up the unison ring and now it's stuck. I would check the EGR valve as well if you still have one.
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Laughing Gas
Joined: Mar 2019
Posts: 947
Likes: 144
From: Columbus Ohio
This morning i reloaded into the computer my 50hp tow tune from 5 star and it runs like it used to now( the tune was in it, just reinstalled it) Thats all I changed.... These damn diesels have lots of moving parts that ive never delt with before... yes, this is my first diesel. If i didn't tow 9500 pounds, I wouldnt have a diesel. To much work and parts are expensive!!
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