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Problems with my truck

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Old Jun 6, 2023 | 06:46 PM
  #1  
Actuallycharles's Avatar
Actuallycharles
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Problems with my truck

Hello just looking for some insight on this weird problem shortly after I put the sct 4x tuner with a custom tune on .

truck will hit about 2,000rpms then drastically downshift and then I get a dead pedal and blowing diesel smoke everywhere , then you have to press the gas down a little harder then it launches me .

also as well I will start the truck up to go to work , I put it in reverse . which is perfect , as soon as I put it into drive it sputters and dies out . So I would have to turn it back on an press the gas until billowing clouds of white smoke come out then it drives fine . Was thinking it could be a injector o-ring? Thoughts please?
thanks !
05/f250/6.0
 

Last edited by Actuallycharles; Jun 6, 2023 at 06:49 PM.
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Old Jun 6, 2023 | 07:13 PM
  #2  
Mech644's Avatar
Mech644
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From: Blue Hill
no other parts added or swapped at same time as the tune?
If you can flash it back to stock untuned I’d try that and see how it behaves.
 
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Old Jun 7, 2023 | 08:21 AM
  #3  
99powerstrokedF250's Avatar
99powerstrokedF250
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Originally Posted by Mech644
no other parts added or swapped at same time as the tune?
If you can flash it back to stock untuned I’d try that and see how it behaves.
First place to start right here. If it ran fine before the tune and you didn't change anything else, take the tune back out and see if it clears up. You might have far too aggressive of a tune for your setup.

If it keeps acting like this with a stock tune, then we can dig deeper.
 
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