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  #121  
Old 05-11-2015, 11:36 PM
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Re: oil catch can

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Originally Posted by Zybane View Post
Ugg!! BMW catch can, 7/8 inch hoses nice and large for no restrictions and CEL already. I've spent like $500 on catch can related materials so far and no luck LOL.

You had a CEL with the Berger Motorsports can? I'm 1500 miles in with not even a pending code. I ended up using the 3/4" hose I had from my old can to install on the PCV valve then reduced it down to 5/8" hose with barb adapter to connect to the BMW can. Then 5/8 hose to the factory hose going to the intake.

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  #122  
Old 05-11-2015, 11:41 PM
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Re: oil catch can

Ya Berger. Don't know why my freaking PCV system is so touchy. The CEL always appears on light throttle.

I did the same routing as you and most here. Just to the outside of the air intake box. Outlet of oil separator 5/8th's into 7/8's tube all the way to 3/4" at Berger. Then Berger out 3/4 to 7/8th's which is a direct fit into the intake tube. Super low restriction and I get a CEL.
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  #123  
Old 05-11-2015, 11:44 PM
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Re: oil catch can

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Originally Posted by Zybane View Post
Ya Berger. Don't know why my freaking PCV system is so touchy. The CEL always appears on light throttle.

I did the same routing as you and most here. Just to the outside of the air intake box. Outlet of oil separator 5/8th's into 7/8's tube all the way to 3/4" at Berger. Then Berger out 3/4 to 7/8th's which is a direct fit into the intake tube. Super low restriction and I get a CEL.

P04DB? Did the CEL happen right away?
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  #124  
Old 05-12-2015, 07:33 AM
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Re: oil catch can

Ya. It happened at about 200 miles.

I'll take some pics and we can compare routing but I don't see why I would get a CEL and other not. Unless I have a bad sensor or something. I'm half tempted to replace the tube back to OEM and drive it for a while and see if the CEL ever comes on. If it does have it looked at by the dealer. So frustrating.

I know the separator is working so much freaking oil in that tube. Dammit!
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  #125  
Old 05-12-2015, 12:32 PM
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Re: oil catch can

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Originally Posted by Zybane View Post
Ugg!! BMW catch can, 7/8 inch hoses nice and large for no restrictions and CEL already. I've spent like $500 on catch can related materials so far and no luck LOL.
damn, I was literally about to order one when I saw this.

I think at this point I'm just going to save my money and put it towards having the system cleaned out after 100k...
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  #126  
Old 05-12-2015, 12:33 PM
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Re: oil catch can

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Originally Posted by kag49601 View Post
P04DB? Did the CEL happen right away?
Kag49601 what MY and build date do you have? 2015 perhaps? Maybe the sensors or calibration has changed. I have a late build June 2014, and no luck with various configurations, only tried using Billet Tech CC.
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  #127  
Old 05-12-2015, 01:00 PM
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oil catch can

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Originally Posted by KONE-DAWG View Post
Kag49601 what MY and build date do you have? 2015 perhaps? Maybe the sensors or calibration has changed. I have a late build June 2014, and no luck with various configurations, only tried using Billet Tech CC.

Yes it is a 2015. I like everyone else tried everything with the universal catch can; SS Mesh, no mesh, drilled out hose ports, drilled and tapped boost hose to help with the loss in flow, etc. Always came up with the P04DB code and even had the the more dangerous code P051B (over pressure code) one time.

The Berger Motorsports N54 worked immediately. I have had no CEL's or pending codes according to my Scangauge II after 1200-1500 miles.

I do novice that there is a a specific way to route the in and out ports for the N54. Do you have the hoses connected to the right port? Just trying to verify every possible issue. Also (by chance) how long are your hoses? I shortened mine up as much as possible, not allowing the blow-by to "pool" up anywhere.

If anything I would think that the emissions sensors in the later model vehicles would be more strict than the prior years, if anything. I know mine is very sensitive, though, based on my experience with the other catch can I had.

Keep us posted.
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  #128  
Old 05-12-2015, 01:55 PM
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Re: oil catch can

It appears that something may have changed, sensor, sensitivity, setting...
you had CEL with Shawn's setup but nothing with the BMW cc, not making much sense and Jeep is not making this easy to figure out

any ideas why MoparEcoDiesel's setup did not work for you?
since I have the cc and the BMW one is questionable at this time may have to try Shawn's
Banks Power tuner is now available and waiting on his air filter setup, all this would increase blow by, hope to have cc in place before doing these mods
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  #129  
Old 05-12-2015, 02:12 PM
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Re: oil catch can

Quote:
Originally Posted by KONE-DAWG View Post
It appears that something may have changed, sensor, sensitivity, setting...
you had CEL with Shawn's setup but nothing with the BMW cc, not making much sense and Jeep is not making this easy to figure out

any ideas why MoparEcoDiesel's setup did not work for you?
since I have the cc and the BMW one is questionable at this time may have to try Shawn's
Banks Power tuner is now available and waiting on his air filter setup, all this would increase blow by, hope to have cc in place before doing these mods

The reason Shawns mod didn't work was because the extra boost pressure was actually pressurizing the can and pushing air into the PCV valve. When I asked Shawn if the Moroso separator had a valve in place to only allow flow one way, he snapped back telling me that he was sick of people "modifying his design....." So I plugged the hole I had made and went with the BMW can. The boost pressure mod made sense but I always wondered how the extra boost pressure wouldn't get pushed back to the PCV like it did on mine.... Unless you are using every component that Shawn used, I would not recommend doing this. That would mean purchasing a Moroso, the right lines, etc.

I am curious to see what happens when it is put back to stock. Maybe there is some difference with the model year 15 over previous years in regards to the flow sensitivity. Unfortunately that would be hard to find out for sure.
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  #130  
Old 05-14-2015, 11:12 PM
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Re: oil catch can

Quote:
Originally Posted by kag49601 View Post
Yes it is a 2015. I like everyone else tried everything with the universal catch can; SS Mesh, no mesh, drilled out hose ports, drilled and tapped boost hose to help with the loss in flow, etc. Always came up with the P04DB code and even had the the more dangerous code P051B (over pressure code) one time.

The Berger Motorsports N54 worked immediately. I have had no CEL's or pending codes according to my Scangauge II after 1200-1500 miles.

I do novice that there is a a specific way to route the in and out ports for the N54. Do you have the hoses connected to the right port? Just trying to verify every possible issue. Also (by chance) how long are your hoses? I shortened mine up as much as possible, not allowing the blow-by to "pool" up anywhere.

If anything I would think that the emissions sensors in the later model vehicles would be more strict than the prior years, if anything. I know mine is very sensitive, though, based on my experience with the other catch can I had.

Keep us posted.
Yes of course in and out are proper. The only things I can think of to remedy is to relocate the catch can much closer to the rear sensor. Or maybe my lines are actually TOO large? This mystery PCV system is so freaking annoying. So much oil gets dumped down that line I need something..
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  #131  
Old 05-20-2015, 11:16 AM
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Re: oil catch can

UPDATE: I did not clear the code to see what happens. After about five separate trips the CEL went off by itself. Will be interesting to see if it comes on again.

This CEL is very tricky. I wonder what triggers it. Like interval based, it only takes PCV readings at certain times etc.. and/or certain driving conditions set it off. Seems like whenever I get a P04DB it's light throttle at slow speed.
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  #132  
Old 06-02-2015, 09:38 PM
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Re: oil catch can

No confirmed or pending codes from the Berger BMW Can! I found a nice spot for it above the driver's power box. I used the factory hose from the crankcase, and the J shaped hose that came in the box to go to the intake. I had to use a 2 inch piece of the other included hose as a spacer. Right now it's held in place with foam pieces and a zip tie. It's an expensive can ($180 from Bavarian Autosports on eBay) but at least it doesn't throw codes. I'm curious to see how much it captures in 5K mi
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