Tuning Issue?
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Senior User
Joined: Apr 2014
Posts: 143
Likes: 1
From: Northwest Indiana
Tuning Issue?
Hello Everyone,
My truck is a 2011 has the dpf removed and egr disconnected and blocked off just not removed and I'm running a SCTx4 with deleted tunes from Rudy's(only use the tow tune as I frequently tow my 5er). The problem I seem to be having is my truck wants to die if I quickly let off the accelerator or just try to give it a little bit of throttle and let off(such as sitting in a long line and just trying to creep forward). This started after the delete/tune and is not throwing any codes does this sound like a tuning issue/have any of your guys experienced this or something similar. Any input/advice would be appreciated.
Thanks!
My truck is a 2011 has the dpf removed and egr disconnected and blocked off just not removed and I'm running a SCTx4 with deleted tunes from Rudy's(only use the tow tune as I frequently tow my 5er). The problem I seem to be having is my truck wants to die if I quickly let off the accelerator or just try to give it a little bit of throttle and let off(such as sitting in a long line and just trying to creep forward). This started after the delete/tune and is not throwing any codes does this sound like a tuning issue/have any of your guys experienced this or something similar. Any input/advice would be appreciated.
Thanks!
More Turbo
Joined: Feb 2013
Posts: 689
Likes: 44
From: British Columbia
Hey shawn.snow. Sounds like something related to your changes. Was everything running okay before the delete? I have the Spartan setup....never looked backed. No issues, other than my wife can't keep me outa my truck lol! 
Thread Starter
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Senior User
Joined: Apr 2014
Posts: 143
Likes: 1
From: Northwest Indiana
Thanks Jimmy Yup truck ran great prior to deleting. Still runs great with exception of dieing upon quick throttle release.
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Senior User
Joined: Apr 2014
Posts: 143
Likes: 1
From: Northwest Indiana
Just wanted to provide an update. Contacted Rudy's and they had me get in touch with PIP who sent me a delete only tune with no performance enhancements to see if the issues still occurred. they did not, so it is something about the original tunes the truck does not like. We are working towards a solution.
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Senior User
Joined: Apr 2014
Posts: 143
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From: Northwest Indiana
Well it appears that my victory was short lived. The truck seems to be better with the 0 tune but still quickly dies. I have noticed that when trying to creep forward i will build up around 10 psi of boost as soon as I let off the accelerator the truck shudders and then dies.Any idea's or suggestions would be greatly appreciated as I am at a loss.
Fleet Owner
Joined: Mar 2012
Posts: 20,168
Likes: 15,997
From: Wisconsin
I would keep on Rudy's. This sounds very much like an issue with the tune. It sounds like the truck isn't getting enough fuel.
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Senior User
Joined: Apr 2014
Posts: 143
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From: Northwest Indiana
I will take a run at PIP again as Rudy's told me to contact them, the last response I got was if the issue occurred with the level 0 tune then they cant help me as its a truck issue not a tune/tuner issue.
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Fleet Owner
Joined: Mar 2012
Posts: 20,168
Likes: 15,997
From: Wisconsin
Is it possible your filters are dirty? If it's not defueling or derating (which it wouldn't at a stock tune), then it might be starving for fuel. It's almost like it's getting an unreported code from a stupid pyro or something.
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Senior User
Joined: Apr 2014
Posts: 143
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From: Northwest Indiana
New Fuel filters as of 1500 miles ago and the ones I removed where fairly clean still. What I find even more confusing is if I just drive it normally(highway etc) and not try to slowly move up to a stop sign back up a hill slowly with the 5er it runs great and doesn't act like it wants to die.
Fleet Owner
Joined: Mar 2012
Posts: 20,168
Likes: 15,997
From: Wisconsin
Something is obviously not right. Sounds like air filters are plugged or fuel filters, but obviously that's not it. Intercooler/turbo boots on their tight? Sometimes they get loose and all sorts of weird things start going on. Without being there and having my hands dirty, I'm not smart enough to speculate whats going on for sure. You might need to visit the dealer and ask them to look at it. Some won't unless you put it back to stock. Good luck...
Thread Starter
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Senior User
Joined: Apr 2014
Posts: 143
Likes: 1
From: Northwest Indiana
Something is obviously not right. Sounds like air filters are plugged or fuel filters, but obviously that's not it. Intercooler/turbo boots on their tight? Sometimes they get loose and all sorts of weird things start going on. Without being there and having my hands dirty, I'm not smart enough to speculate whats going on for sure. You might need to visit the dealer and ask them to look at it. Some won't unless you put it back to stock. Good luck...
I didn't think to check intercooler/turbo boots I will give them a look. I try to stay away from the Local Ford dealer after they didn't put my 6.0 back together correctly and dumped 4.5 gal of oil on the ground in front of the dealership. However I may have to look for a different dealer.
maybe its time to get a FIAT
Naw couldn't do that love the truck to much.
Fleet Owner
Joined: Mar 2012
Posts: 20,168
Likes: 15,997
From: Wisconsin
Just don't drive one...shhhh! They get mad when I talk about the Fiat. I did talk to a friend that recommended this shop:
https://www.facebook.com/NWDSP/
I don't know them, but he said they know what they are doing. I think it might be close to you?
https://www.facebook.com/NWDSP/
I don't know them, but he said they know what they are doing. I think it might be close to you?
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Senior User
Joined: Apr 2014
Posts: 143
Likes: 1
From: Northwest Indiana
I will try not to drive one thats how I ended up with the 6.7 was just looking at it and the rest is history.
I will keep that shop in mind however its about 4 hours away from me I am over in the South Bend Indiana area...
I will keep that shop in mind however its about 4 hours away from me I am over in the South Bend Indiana area...