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so I did this entire delete, but I ran into issues when i was trying to mount my catch can, so I decided to just not include it. After I sealed all of my boost leaks (MAP sensor was ****ed and Dipstick wasnt on properly) the fuel trim shot up (P1128) and I started to burn oil. How important was that catch can? I can’t really put it anywhere In the engine bay comfortably so should I just return to the stock PCV setup? I also don’t understand how it even works. Is it supposed to create a vacuum in the crankcase? Or not? Why does sealing the system with just hoses ruin it? I’m utterly confused by the system.
A catch can isn't going to make that kind of difference. I would check the routing on everything to ensure connections and your routing of hoses is correct.
 

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so I did this entire delete, but I ran into issues when i was trying to mount my catch can, so I decided to just not include it. After I sealed all of my boost leaks (MAP sensor was ****ed and Dipstick wasnt on properly) the fuel trim shot up (P1128) and I started to burn oil. How important was that catch can? I can’t really put it anywhere In the engine bay comfortably so should I just return to the stock PCV setup? I also don’t understand how it even works. Is it supposed to create a vacuum in the crankcase? Or not? Why does sealing the system with just hoses ruin it? I’m utterly confused by the system.
Do you have a check valve in the system?

You can delete the PCV system without a catch can, I did it to pass SMOG (install, drive 10 min and back 10 min). Car drove perfectly fine...

I drove with the PCV system deleted as if I were running a catch can, but without the catch can. So all that crap was dumping right into my intake but it was only a 20 min drive of feathering the throttle...

Is your N249 still plugged in electronically? Unplugging the N249 electronically will mess up the fuel trims
 

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so I did this entire delete, but I ran into issues when i was trying to mount my catch can, so I decided to just not include it. After I sealed all of my boost leaks (MAP sensor was ****ed and Dipstick wasnt on properly) the fuel trim shot up (P1128) and I started to burn oil. How important was that catch can? I can’t really put it anywhere In the engine bay comfortably so should I just return to the stock PCV setup? I also don’t understand how it even works. Is it supposed to create a vacuum in the crankcase? Or not? Why does sealing the system with just hoses ruin it? I’m utterly confused by the system.


Gold Engine bay: with a battery relocate, mounted up from for atmospheric venting from headlight velocity stack.

But if your battery is in the engine bay, make a small “L” bracket and mount to the bottom battery tray. Still have adequate ventilation for the atmospheric filter from the front grill passage.


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263 Posts


Gold Engine bay: with a battery relocate, mounted up from for atmospheric venting from headlight velocity stack.

But if your battery is in the engine bay, make a small “L” bracket and mount to the bottom battery tray. Still have adequate ventilation for the atmospheric filter from the front grill passage.


Sent from my iPhone using Tapatalk



Sent from my iPhone using Tapatalk
 

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Having an issue with high crankcase pressure (dancing oil cap) with this installed:

Should I just pull the VTA filter and route it into the TIP with a check valve?

Also, will be swapping to a GT28RS in the very near future, so I'm also looking to get everything properly plumbed once the TIP is gone.
 
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