Dpf problems and egt as well help plz

Dieseljt

New member
Apr 15, 2014
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Ok here we go, ok my truck all of a sudden went into limp mode won't drive any faster then 50mph so I took it to my cousins shop.. Anyways my truck don't have a dpf on it it's been cut out that's how I bought the truck didn't know what I was getting it too but it's a 2007 chevy silverado 3500 6 speed allison... So this is where we are stuck at I bought a programmer with the dpf delete we plugged it up and installed the delete in , and it's in there now but my truck is still going into limp mode what do I need to look more into as of now? The two codes that are showing up are the dpf and the egt...
 

S Phinney

Active member
Aug 15, 2008
4,011
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Quncy, Fl
Post the code numbers. There are a number if little items that will cause this.

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NC-smokinlmm

<<<Future tuna killer
May 29, 2011
5,032
243
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At Da Beach
The ECM wants to see the egt pyro info and difrential oressure readings. You did sinething wrong with the programming if its still limping bc of the dpf. There are many other things that cauae reduced piwer in an lmm. Get a good scanner on it and post every code...