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post #1 of 4 Old 07-30-2010, 12:16 AM Thread Starter
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Just a question

This goes for both the 6.4 owners and 6.7 owners... So lets say you took off your DPF and replaced it with a piece of piping. Doing this would trigger a fault code, I believe. Even with the code active will the truck go into regen mode? If it did couldn't that reach dangerous temps and basically melt the paint off of cars? I don't know about any of this DPF emissions crap...

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post #2 of 4 Old 07-30-2010, 07:31 AM
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im pretty sure that if you remove the dpf with out a tuner, that the truck will go into permanent regen mode

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post #3 of 4 Old 07-31-2010, 11:32 AM
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Yeah. No Deletes without a tuner.

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post #4 of 4 Old 08-28-2010, 12:58 PM
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Relentless1 is correct. You have to have a tuner to delete to DPF all the way. I had a 2009 6.4 and traded it in on the new 6.7. I was on a trip hauling a bass boat and my check engine light came on with 600 miles to go and my truck would not go into regen until I reset it with my tuner. The check engine light came on again on the way home and I didn't rest it with my tuner. Took it right to the dealer and he told me that the pipe was clogged and something to due with back pressure is why the light came on. The 6.4 had only 13k miles on it at the time. That is why I have a 6.7 now. My thoughts are if you replace the DPF with a tube and don't have a tuner then the check engine light will always be on and the truck will not go into regen (that is what I know about the 6.4). I do not know what the 6.7 will do.

Last edited by crzyrobb; 08-28-2010 at 01:01 PM.
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