2ZR Turbo Yaris - Toyota Yaris Forums - Ultimate Yaris Enthusiast Site

05-31-2019, 08:40 AM

#11

06YarisRS

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Drives: 06 2ZR Turbo Yaris RS

Join Date: Aug 2017

Location: Fredericton, New Brunswick, Canada

Posts: 2,384

Quote:

Originally Posted by eTiMaGo

May I ask, what is the purpose of having both an oil catch can and a breather filter? Don't they both have similar function, taking positive air pressure within the engine and letting it out?

The open-to-atmosphere breather is there to let blow by gasses out of the crankcase when the PCV valve is closed under boost. It would also draw fresh air into the crankcase when under vacuum. At least this is my understanding of how it should work. All that said, I'm having fuel trim issues and not sure if the two are related. I'll monitor trims after I have the F/IC hooked up and the car running- hopefully. LOL.

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2006 Yaris 5 Door RS 2ZR-FE (2011 Corolla 1.8L) Swapped, Automatic, T-28 Turbocharged (8 psi), HSD MonoPro Coilovers, DIY W/M Injection, custom 3" cold air intake, custom 2.5" exhaust, TRD rear sway bar, Penguin Garage 13mm spacers (rear), custom Civic front lip, full repaint, Android 6.0 7" touchscreen, Rockford Fosgate speakers, tweeters, NVX underseat subwoofer
https://www.instagram.com/2zr_turbo_yarisrs/

Last edited by 06YarisRS; 05-31-2019 at 09:40 AM.

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