RUNNING EXTREMELY RICH
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Freshman User
Joined: May 2017
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RUNNING EXTREMELY RICH
I have a completely stock 2007 F350 turbo diesel with 98000 miles that i just bought . When accelerating from a stop, it runs so rich that it will barely move and it accelerates very slowly . It burbles excessively and spews black smoke . It slowly builds rpm . As it builds rpm it runs slightly better and the black smoke turns into a medium gray the faster it goes . It takes around 20 seconds to reach 3000 rpm on level ground with the accelerator pedal half way down . Once it reaches 3000 rpm, it runs fine and hauls a_s but looks like it still smokes a little.
The temp gauge stays right in the middle and it does not run hot . It starts and idles fine.
The check engine light is on but i have not read the codes yet and can't do that until monday.
I have read that it could be an injector that is stuck open but do not know how to check for that.
I am a vintage car mechanic and engineer but I know zero about newer computer vehicles and very little about diesels.
Thanks in advance for any help.
The temp gauge stays right in the middle and it does not run hot . It starts and idles fine.
The check engine light is on but i have not read the codes yet and can't do that until monday.
I have read that it could be an injector that is stuck open but do not know how to check for that.
I am a vintage car mechanic and engineer but I know zero about newer computer vehicles and very little about diesels.
Thanks in advance for any help.
Fleet Owner
Joined: Nov 2003
Posts: 27,881
Likes: 3,595
Can't get a code reader from Autozone (or Advance, or OReily, etc)?
Is the VGT actuator plugged in on the turbo?
In addition to the code reader, you could be greatly helped by getting a scantool (ScanGaugeII) or a phone/tablet app (Forscan, Torque, DashBoss).
Is the VGT actuator plugged in on the turbo?
In addition to the code reader, you could be greatly helped by getting a scantool (ScanGaugeII) or a phone/tablet app (Forscan, Torque, DashBoss).
Thread Starter
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Freshman User
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.
Thread Starter
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Freshman User
Joined: May 2017
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Posting Guru
Joined: Mar 2014
Posts: 1,468
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From: Salt Lake City, utah
Read the tech folder. Find the post with the 6.0 bible it will help identify what and where things are on the engine. My first thought is as Bismic posted is the VGT plugged in. Find the turbo in the middle of the valley under the plastic wire loom harness attached to the firewall cowl there is a pigtail on top of the turbo.
Codes will definitely help so if you do have to wait till Monday then you have time to read the folder.
Welcome to FTE.
Bismic is only trying to help he's one of the best when it comes to the 6.0 and diagnosing problems
Codes will definitely help so if you do have to wait till Monday then you have time to read the folder.
Welcome to FTE.
Bismic is only trying to help he's one of the best when it comes to the 6.0 and diagnosing problems
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Posting Guru
Joined: Nov 2011
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I'd try again. 
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Logistics Pro
Joined: Dec 2004
Posts: 4,138
Likes: 7
From: South Weber, Utah
I would argue the turbo is NOT working fine. And for the record you just got snotty with one of the most knowledgeable people on the 6.0L diesel and you will be lucky to find anyone to help you now. Good luck to you.
Fleet Owner
Joined: Apr 2012
Posts: 27,307
Likes: 549
From: Spanaway
More Turbo
Joined: Apr 2016
Posts: 698
Likes: 24
From: Houston, Tx
I get it, you're upset about the situation, perhaps calm down and try it again. People here only want to help each other but coming off rude won't help you at all.
The there is a plug with 2 wires going in towards the turbo that connect to a plug, that plug controls the turbo opening and closing. if the plug or wires are bad the turbo won't work correctly. Find that 2 wire plug and wiggle it while the truck is running, if you hear the pitch change you know that's your problem.
The there is a plug with 2 wires going in towards the turbo that connect to a plug, that plug controls the turbo opening and closing. if the plug or wires are bad the turbo won't work correctly. Find that 2 wire plug and wiggle it while the truck is running, if you hear the pitch change you know that's your problem.
Laughing Gas
Joined: Jan 2007
Posts: 883
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Lead Driver
Joined: Feb 2011
Posts: 8,241
Likes: 155
From: L.A. (Lower Alabama)
Wow, how to get sideways on the tracks in just 3 posts! Lol
Hey barnett468, maybe you've been reading on some of the other forums or YouTube comments areas. This forum is much more polite than most. Kinda like people talk to each other in real life. Even when we disagree it usually stays pretty polite. As far as Bismic not knowing a 6.0 truck, check out the Tech folder and notice who posted the info and you'll get a good idea of what kind of contribution he has made to this (and other) forums. You (humorously) picked the wrong guy to say that to.
Post back with the code numbers when you get your fault codes, and maybe post like your talking to somebody, that will help a lot.
Hey barnett468, maybe you've been reading on some of the other forums or YouTube comments areas. This forum is much more polite than most. Kinda like people talk to each other in real life. Even when we disagree it usually stays pretty polite. As far as Bismic not knowing a 6.0 truck, check out the Tech folder and notice who posted the info and you'll get a good idea of what kind of contribution he has made to this (and other) forums. You (humorously) picked the wrong guy to say that to.
Post back with the code numbers when you get your fault codes, and maybe post like your talking to somebody, that will help a lot.
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Freshman User
Joined: May 2017
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Read the tech folder. Find the post with the 6.0 bible it will help identify what and where things are on the engine. My first thought is as Bismic posted is the VGT plugged in. Find the turbo in the middle of the valley under the plastic wire loom harness attached to the firewall cowl there is a pigtail on top of the turbo.
Codes will definitely help so if you do have to wait till Monday then you have time to read the folder.
Welcome to FTE.
Bismic is only trying to help he's one of the best when it comes to the 6.0 and diagnosing problems
Codes will definitely help so if you do have to wait till Monday then you have time to read the folder.
Welcome to FTE.
Bismic is only trying to help he's one of the best when it comes to the 6.0 and diagnosing problems
Replying to a post without reading it completely or fully comprehending it or offering more detailed info as you did by explaining where the plug is located is basically useless then to state the post they read has virtually no info when it clearly does and making comments about needing a crystal ball to help, is again useless and unwarranted.