smokin problem

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Jun 16, 2012 | 08:03 AM

steelkiwi75

Thread Starter

Freshman User

Joined: Jan 2011

Posts: 45

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From: Louisburg, nc

smokin problem

6.0, no chips, 250,000 miles. truck was running great with trailer or not. it stared blowing black smoke on steep grades with trailer. I would let off throttle and then back on and it would quit. took it to a local diesel mechanic, said #4 injector was sticking. replaced it and did egr cleaning and cleaned all other injectors. it has gotten worse now, it will blow black smoke without a load when accelerating. but not all the time. changed fuel filters also. thanks in advance.

Jun 16, 2012 | 08:07 AM

tex25025

Post Fiend

Joined: Oct 2005

Posts: 10,626

Likes: 7

From: Plano TX and Brentwood TN

Could be a leak in the up-pipes or could be the turbo acting up on you.

Jun 16, 2012 | 10:42 AM

miner999r

Tuned

Joined: Feb 2009

Posts: 484

Likes: 6

From: Alberta

I would bet on turbo if all injectors are good. Be glad it is black smoke and not steam when oil cooler / egr coolers go bad.

Jun 16, 2012 | 10:50 AM

Powerstroke_wannabe

Posting Guru

Joined: May 2003

Posts: 1,990

Likes: 1

From: Middleburg, FL

Do you have a boost gauge? If so, what's the boost level when it's blowing black smoke? Have you checked for codes? If so, what are you getting and what are they?