
Cummins 6.7L Exhaust Gas Recirculation (EGR) Operation
Oct 1, 2008 · The EGR (Exhaust Gas Recirculation) system is designed to reduce NOx in the exhaust system by reducing combustion temperatures. This is done by introducing inert gas (exhaust) into …
22 Ram 3500 6.7 Cummins tune/delete issue | Cummins Diesel Forum
Apr 28, 2025 · After having endless issues with DEF system decided deleting egr and def system and tuning the truck was the way to go. Nothing but issues since. Tried everything to seal the blocker …
6.7 EGR Cleanout Mileage??? | Cummins Diesel Forum
Jul 23, 2012 · The EGR cooler needs to be removed and the inside soaked with hot water and cleaner, rinsed, and then reinstalled. If you end up doing the DPF delete and running with the EGR …
EGR & EGR Cooler Preventive Maintenance | Cummins Diesel Forum
Feb 25, 2022 · Cleaning the EGR system is not required per the manual on 13+ trucks, due to the use of DEF the EGR use is greatly reduced and less likely to fail within warranty timelines. Nothing wrong …
Just clean your EGR! | Cummins Diesel Forum
Oct 28, 2017 · Many of the posts here deal with the EGR system by "ripping it out". I have read enough of these to understand the thinking there, and I do admit its tempting, and that the entire system is …
EGR System Service/Cleaning | Cummins Diesel Forum
Feb 13, 2023 · Been watching videos on removing and cleaning the EGR Valve and Cooler and not seeing a lot of those posting replacing all the gaskets and o rings. Is that service possible without the …
EGR and DEF delete pros and cons | Cummins Diesel Forum
Jan 2, 2016 · Looking for pros and cons of deleting egr and def on 2014 ram 3500 dually. Tired of buying def, hoping to get better mileage and tired of EPA regulations saying what we can't do to our …
Delete and tune without removing egr? | Cummins Diesel Forum
Nov 2, 2019 · Considering deleting my truck and going ez link with ctt but wondering what the ultimate pitfalls would be of leaving everything stock under the hood and just pulling the exhaust in favor of an …
EGR DELETE on my 03 5.9 - Dodge Cummins Diesel Forum
Dec 23, 2009 · In-cylinder EGR is the third injection event on 04.5-07 5.9s. They are also the only 5.9 CRs that came with a cat (except California emissions 03/04s. And I know Mass. used Cali …
MOPAR EGR Cleaner, anyone use it??? | Cummins Diesel Forum
Oct 25, 2011 · Well, with all the issues with EGR valves, anyone ever use this stuff? Part number is 68028729AA, looks like it cost about $23. Says its for the 6.7 Cummins Diesels. Just wondering how …