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To add to your good post. Since 2012 all diesels have a DEF system and also regen. The DEF process and the regen process are individual processes. You can shut off the DEF system, and it will still regen It will always regen, both active and passive (unless you are deleted).

Save your money. GDE proved a long time ago that the stock intake provides more air than the little turbo can handle. And it is very efficient.

I wasn't aware of the SCR's ammonia production, or its killing freeway vegetation. You've enlightened me. Your theory may be better at maintaining or maybe reducing emissions than what's hung on the truck. It definitely will improve performance. The problem is the EPA doesn't care that it...

SFT and MRT tuners have stage1 tunes that shut off the EGR. No tune is legal

Yep. Wonder how many miles on that one. That's why we have a tune that shuts off the EGR

This shows pins 30 & 87

Next time try this, it worked for me. I now always carry a jumper wire. Pull out the starter relay, and put the key in the RUN position. Take a short piece of wire and jump (in the fuse box) between where pins 30 and 87 on the relay would go (if it's labeled 1-2- 3-5, jump between pins 3 & 5)...

Deleting will not prevent an engine failure. It will prevent fire from hot manifolds, but that has dwindled, maybe stopped, since recall TSB VB1 that replaced the defective EGR Coolers.

Depends on what state you live in. In Califunny you would not pass smog and would not be able to register your truck. I'm against deleting/deleters as it is the worst EPA sin. And, it does pollute the environment. A good stage1 tune will give you performance satisfaction. I know of a case...

You need to do more research about deleting

I believe he's selling a pre compliance stage 1 tune. If you delete, you need a stage 2 tune. GDE will no longer work on a pre compliance tune. SFT's tuner comes with both a stage1 and a stage2 tune installed.

Looks like you stumbled on to a great band-aid for the dreaded DEF message. Thanks for sharing and hoping it keeps you operational.

EGR cooler. Recall VB1 replaced the coolers. Did you do VB1?

Someone just reported on another forum that Walmart had it back in stock at 23.50 gal

Certified DEF is 33% urea, 67% water. As it ages or gets contaminated, it's potency drops. When it drops to 22% urea you will get an alarm (2016+ trucks). If it's not a DEF condition problem, it could be a clogged injector or pump, etc. Good that you have the dealer looking at it.

I didn't think you were. You were very complete, plus added your personal uses. However, he hasn't been back. Hope we didn't offend him, seems like a desirable member

I agree, his being new to the subject, I can understand his confusion. It took me awhile when I first became a diesel owner, and I made some wrong assumptions and statements as well. Hopefully we are helping him, I hope he doesn't view our responses as demeaning.

Ecodiesel never had an "additive (DEF) mixed with the diesel". Where did you hear or read that? Totally incorrect!

On another forum there were 2020 owners who mentioned it and they were all ignoring it, but they didn't say why. In the past, California has made the Emissions recalls mandatory, or they would not register the vehicle. Haven't heard anything yet regards this recall, it may be too new.

It won't even know that bass boat is back there. It will like 35 miles each way, gets up to regen temps and enough miles to complete. I'm averaging 3883 miles a year, should last forever.