Question: So confused with all of this - Diesel Place : Chevrolet and GMC Diesel Truck Forums
 
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Fourth Generation Duramax Electronics/Tuners Discuss 2007.5-2010 LMM Duramax engine electronic upgrades including chips, tuners, programmers, etc.

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Old 09-30-2019, 08:11 PM   #1 (permalink)
Henr4584
Gear Grinder
 
Join Date: Mar 2019
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So confused with all of this

Okay so Iíve been searching all over and I canít seem to find straight answer on how to handle my problem.
So i bought my truck (2007.5 3500) about six months ago and Iíve had people tell me that itís tuned because all of the plugs for the exhaust are unplugged and thereís no engine codes, so I just purchased a 5 inch down pipe back exhaust and a 3 inch down pipe, but now I am trying to figure out what to do with my egr.. one buddy is telling me that it could already be deleted through whatever tune I have and another buddy is telling me that I should buy some sort of egr bypass kit and another buddy is telling me just to buy a blocker plate and thatís all I need..
so I guess my question is, how do I know if my tune deleted my egr? And do I need to buy a blocker plate or bypass kit or anything like that? And is there anyway to find out what kind of tune is on my truck?
Thanks for any help guys; I hope yíall can clear this up for me!

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2007.5 Silverado 3500 LMM DRW

Last edited by OkDually; 09-30-2019 at 09:15 PM. Reason: prefix
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Old Today, 11:43 AM   #2 (permalink)
oldschoolbowtie
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Join Date: Jun 2017
Location: Orlando Fl
Posts: 911
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Good Afternoon-

Congrats on Truck and sorry on the headache.-

here is what I suggest-
step one-
Figure out what the exact status of your truck is. (this could be a problem- try and contact previous owner) Some tuners lock the ECM to protect the code-

find a local shop you trust and figure out where your truck is tuning wise

step two -

figure the cheapest path forward based on current configuration and EPA regulations

Good Luck

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Al


2007.5 3500HD Silverado LTZ
Kennedy Custom Tune Banks Intake and 4 " exhaust, Air Dog 150, Leveled front end, aftermarket upper control arms, tie rod end sleeves, bypass oil filter, Pusher 3" "hot side" charger tube, aFe Turbo inlet pipe, PPE deep Trans Pan with temp gage, 2 low mod for front differential disable, PACBRAKE 5000# Air Bags with remote on board air...otherwise stock


1953 Chevy truck 496 2 NOS kits ...otherwise stock


1927 Roadster 383 2 NOS kits chassis car (street legal)// otherwise stock
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