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  #13  
Old 02-08-2015, 04:51 PM
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Re: Any way to block the EGR?

I will be most interested in what you come up with. I am using a catchcan and getting about 20mls per 1000k.

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  #14  
Old 02-27-2015, 02:18 AM
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Re: Any way to block the EGR?

I have/had the celtic tune on my MY14 Limited installed by Brendan from Diesel Power Unlimited. When he installed the tune he deleted the EGR function and advised me that ideally I should fit a blanking plate but that it wasn't absolutely necessary. I haven't checked the EGR Pipe to check the condition. I say have/had with regards to the tune as the ECU was reflashed by the service department to fix an error with the auto shifter. This took several months to resolve so I've only now organised with Brendan to reinstall the tune.
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Old 02-27-2015, 06:34 AM
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Re: Any way to block the EGR?

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Originally Posted by Webby1970 View Post
I have/had the celtic tune on my MY14 Limited installed by Brendan from Diesel Power Unlimited. When he installed the tune he deleted the EGR function and advised me that ideally I should fit a blanking plate but that it wasn't absolutely necessary. I haven't checked the EGR Pipe to check the condition. I say have/had with regards to the tune as the ECU was reflashed by the service department to fix an error with the auto shifter. This took several months to resolve so I've only now organised with Brendan to reinstall the tune.

Anybody in the US doing this and not having CEL woes?-Rockydee
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Old 02-28-2015, 06:10 AM
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Re: Any way to block the EGR?

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Originally Posted by Webby1970 View Post
I have/had the celtic tune on my MY14 Limited installed by Brendan from Diesel Power Unlimited. When he installed the tune he deleted the EGR function and advised me that ideally I should fit a blanking plate but that it wasn't absolutely necessary. I haven't checked the EGR Pipe to check the condition. I say have/had with regards to the tune as the ECU was reflashed by the service department to fix an error with the auto shifter. This took several months to resolve so I've only now organised with Brendan to reinstall the tune.
Sounds awesome.
Please tell us more as time goes on.

PS PM on the way.
Cheers
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Old 03-01-2015, 07:26 AM
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Re: Any way to block the EGR?

Just wonderin'. Which system is more of a problem? The EGR or the PCV? I'm not new to diesel, only diesel loaded up with all the latest emissions crap.-Rockydee
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Old 03-01-2015, 10:25 AM
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Re: Any way to block the EGR?

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Originally Posted by Rockydee View Post
Just wonderin'. Which system is more of a problem? The EGR or the PCV? I'm not new to diesel, only diesel loaded up with all the latest emissions crap.-Rockydee
I'd bet the EGR is the bigger issue. The PCV can get a oil separator on it, nothing you can do with the EGR. I would block it off but your going to get a code for lack of flow.
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Old 03-01-2015, 11:14 AM
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Re: Any way to block the EGR?

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I'd bet the EGR is the bigger issue. The PCV can get a oil separator on it, nothing you can do with the EGR. I would block it off but your going to get a code for lack of flow.
I knew that was the answer, I was really hoping to be wrong. Its a shame you can't plug the stinking thing up, get a tune and eliminate it w/o CEL, and warranty worries. I think I'm gonna stop kidding myself and either keep my Rubi or go gasser GC. I'm just not liking what I'm hearing about the 3.0VM and the emissions systems. Don't get me wrong the engine is good, but its only as good as the weakest link, at the moment that's the emissions crap. Maybe when the 2016's come rollin of the line this will be history. I hope.-Rockydee
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Old 03-01-2015, 05:13 PM
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Re: Any way to block the EGR?

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Originally Posted by Rockydee View Post
I think I'm gonna stop kidding myself and either keep my Rubi or go gasser GC. I'm just not liking what I'm hearing about the 3.0VM and the emissions systems. Don't get me wrong the engine is good, but its only as good as the weakest link, at the moment that's the emissions crap.
I haven't seen any cases where the emissions systems caused damage yet... Some people have already put 100,000+ miles on this engine without catostrophic failures on a normal service schedule. I haven't found a flawless vehicle in history. Keep in mind that with the gasser, you could run into VVT issues, fuel management issues (think GM Vortec engines), electronics issues, etc. There's always room for improvement no matter the powerplant.

The Rubi and the WK2 are two totally different animals. I would also argue that the Diesel WK2 is a different species than its gas brothers. I picked the model I liked the most (after comparing the VW Touareg, Mercedes M, Audi Q) and I never complain about filling up, I enjoy doing my own service, and it's a joy to drive
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Old 03-02-2015, 07:20 AM
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Re: Any way to block the EGR?

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Originally Posted by jeepgrandcherokeesal View Post
I haven't seen any cases where the emissions systems caused damage yet... Some people have already put 100,000+ miles on this engine without catostrophic failures on a normal service schedule. I haven't found a flawless vehicle in history. Keep in mind that with the gasser, you could run into VVT issues, fuel management issues (think GM Vortec engines), electronics issues, etc. There's always room for improvement no matter the powerplant.

The Rubi and the WK2 are two totally different animals. I would also argue that the Diesel WK2 is a different species than its gas brothers. I picked the model I liked the most (after comparing the VW Touareg, Mercedes M, Audi Q) and I never complain about filling up, I enjoy doing my own service, and it's a joy to drive

I hear ya, its not a bad way to roll either. Everything man makes has problems, some more than others though. I'm a little different in my thinking though. My question is how many of these things crossed 150K problem free miles yet? Like i said i think the engine itself is great, its the emissions system that's the wildcard. And we don't have enough data on them yet.

Just seeing people mentioning blocking EGR or catch can installs means to me the smart $$ is trying to avoid problems, or knows its a problem in the making that's all. I got the time and the money so i can hang around a while and see how this plays out, and what changes they make to these things in 2016 that might improve 'em. Either way my next buy will be something from Jeep.-Rockydee.
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Old 03-02-2015, 02:10 PM
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Re: Any way to block the EGR?

Coming from the racing scene, I think the biggest issues with EGR come from a gradual reduction in horsepower - meaning that as things get gunked up (EGR along with a fine mist of oil) air passages get restricted and nice efficient airflow gets impeded ultimately leading to a loss in power. Things also begin to stick or clog which leads to poor or erratic performance.
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Old 03-19-2015, 10:54 PM
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Re: Any way to block the EGR?

Nearly all modern diesels sold in the USA have EGR, DPF, and SCR technology on them. It's not as bad as we tend to think it is. We have class 8 trucks roll into our shop with EGR equipped engines that have over a million miles on them. The pull full horsepower on our wheel dyno. Sooty intakes and all. They are engineered for it. I agree, it looks really BAD when you see all that soot in the intake. And our brains tell us that it can't possibly be good for the engines. But in reality, the engines are designed for this. In my opinion, blocking off the EGR is much more risky than just leaving it alone. Injection timing, duration, rate shaping, VGT operation, DPF functionality, SCR reaction, etc is all tuned as a system. Disable one part of the system and everything goes out of whack.
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Old 03-23-2015, 08:34 AM
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Re: Any way to block the EGR?

Coming from 10 years of VW TDI Experience I can say that EGR's are just problematic in modern diesels. Eventually, the soot particles will clog the intake manifold. It might take 100k or 300k miles. You got two choices: 1) block the EGR or 2) clean it and everything after it every 50k miles or so.

The other thing is the variable vane turbo. Every once in a while you just gotta drive it like you stole it. Give it the ol' italian style tuneup. Get it nice and hot and work that turbo, get the soot burnt out of the inside of the turbo so the vanes keep free movement. If you granny it for mileage, eventually you will need to replace your turbo or at the very least remove it and take it apart to clean it.

My choice is always to eliminate EGR function, and separate CCV gases/oil before it goes into your intake. Functionality wise- disabling the EGR will cause slightly slower warm ups of the engine but nothing I've had to worry about in single digit temps. We just need more tuners here in the Jeep Diesel world!
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