Chevy and GMC Duramax Diesel Forum - View Single Post - Real World Options with dealing with DEF issues!
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post #5 of (permalink) Old 04-21-2019, 10:16 AM
SilverGorillaLML
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Join Date: Feb 2015
Location: The mountains of va/wva listen for the banjos
Posts: 9,655
Get efi live from a reputable tuner the h&s is shit tuning and there isnt support for it any longer. Exhaust and unplug the 3 connections under the hood and you're good to go. I've done many a lml this way and never had an issue. I have yet to see or even hear of an lml blowing the egr open under high boost. They arent like the older years. I ran mine with no blocker plates on a hotter tune than most would dream of asking for, for years and thousands of miles and never had any issues.

Race/Pulling truck- 2012 CCSB Cummins/Built Engine/
Full Billet 48RE Swap controlled by PCS2000/
Ratchet shifted/Big fuel/Big air/Lowered

Tow Rig/Daily-2005 GMC LLY/CCLB/Loaded out/Tuned/
Airdog/Turbo/Trans?/Etc Etc

2011 LML CCSB-Huge s400/Big fuel/SOLD
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