too much fuel or turbo problem - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 11 (permalink) Old 08-21-2010, 04:54 AM Thread Starter
hillblydlx
 
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Location: wintersville, oh
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too much fuel or turbo problem

i am running the bully dog on extreme mode and the air dog turned all the way up to 75 psi. i have a turbo back exaust and cold air intake. what would make my turbo cough under a heavy load such as the sled at the pulls?
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post #2 of 11 (permalink) Old 08-21-2010, 05:05 AM
I Just Break Stuff
 
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Re: too much fuel or turbo problem

First.... Welcome to the Nation!!
Second...... Unload Bullydog from Truck
Third.... Place Bullydog in front of rear wheel
Fourth.... Get in and mash go peddle
Half your problem solved!!!!!!!!


Seriously though.... 6.0s dont do all that well on generic tuners. Run ok for a little while. An SCT is the ONLY way to go. Need a little more info on the cough youre talking about. What were your EGTs looking like? Any quick deceleration? I guess you still have an EGR cooler. Pulled your EGR valve and had a look? Any puking at the degas bottle?

06 f250 cc Lariat
4 inch Turbo Back
EGR Delete by FCDP
SCT w/Gearhead tunes
Lowered 3 Inches
ARPs
Barder stage 3
Warren Diesel 190/100s
Fluidampr
No Limit intake
Full billet Tranny
6.4 Banjos
AD II
CTS Monitor
GS Elite Gauges
Zex Nitrous
IPR Oil Cooler Relocation kit
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post #3 of 11 (permalink) Old 08-21-2010, 05:11 AM
I Just Break Stuff
 
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Re: too much fuel or turbo problem

Oh.... and 75 psi fuel pressure isnt going to do you any good. Its not a CR. 60 is enough for stock sticks. The higher you go, the more you risk blowing out an injector o-ring.

06 f250 cc Lariat
4 inch Turbo Back
EGR Delete by FCDP
SCT w/Gearhead tunes
Lowered 3 Inches
ARPs
Barder stage 3
Warren Diesel 190/100s
Fluidampr
No Limit intake
Full billet Tranny
6.4 Banjos
AD II
CTS Monitor
GS Elite Gauges
Zex Nitrous
IPR Oil Cooler Relocation kit
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post #4 of 11 (permalink) Old 08-21-2010, 03:27 PM
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Re: too much fuel or turbo problem

Welcome to the Nation. As Stated above, ditch the bullydog and go with a custom tuned SCT, Eric at Innovative Diesel or Matt at Gearhead are two good tuners.

06 F250 Lariat CC SB FX4 6.0, EGR Delete by FCDP , 58v FICM by Quick Tricks, Autometer Gauges (Boost, Pyrometer, Trans. Temp), SCT X3 W/ IDT, 4" TB Straight Pipe, S&B CAI, ZOODAD, Retro-Solutions HID Kit (4300k), CCV Mod, Coolant Filter

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Originally Posted by fordfreak4life View Post
no reason to get butt hurt like someone shoved a lamp up ur butticusrumpus or somthin
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post #5 of 11 (permalink) Old 08-21-2010, 06:56 PM
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Re: too much fuel or turbo problem

Quote:
Originally Posted by hillblydlx View Post
i am running the bully dog on extreme mode and the air dog turned all the way up to 75 psi. i have a turbo back exaust and cold air intake. what would make my turbo cough under a heavy load such as the sled at the pulls?
are you talking about when you let off the throttle quickly and the turbo surges. if so thats normal. correct me if im wrong but isnt that called backspooling

2007 Ford F-250 Lariat Outlaw 4X4

SCT X3 Tuned By Innovative Diesel
Straight Piped
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post #6 of 11 (permalink) Old 08-21-2010, 07:23 PM
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Re: too much fuel or turbo problem

aka "turbo fart"

2005 FX4 CC SB
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Long block: Blackwater Engines
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Thanks Dave!!!
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Thanks Kevin and Andy!!!
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post #7 of 11 (permalink) Old 08-21-2010, 08:25 PM
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Re: too much fuel or turbo problem

Its the air rushing back out of intake, or your vanes are sticking.
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post #8 of 11 (permalink) Old 08-22-2010, 03:52 AM Thread Starter
hillblydlx
 
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Re: too much fuel or turbo problem

no it wasn't the normal sound the turobo makes when you let off the throttle
it sounded just like a cough
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post #9 of 11 (permalink) Old 08-22-2010, 03:21 PM
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Re: too much fuel or turbo problem

Do you have the ability to record said sound in say, a video? Might help everyone here if they could hear it.

2005 FX4 CC SB
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Long block: Blackwater Engines
Turbo and injectors:
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Thanks Dave!!!
Install: Impact Diesel & RescueF250
Thanks Kevin and Andy!!!
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post #10 of 11 (permalink) Old 08-25-2010, 01:37 AM Thread Starter
hillblydlx
 
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Location: wintersville, oh
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Re: too much fuel or turbo problem

sorry cant get this on video it doesnt happen all the time just when its not very convienient. it sounds like the turbo is backspooling and the more throttle you give it doesnt help the problem. you actually have to let off the throttle and get back in to clear it out
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