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TDI Power Enhancements Discussions about increasing the power of your TDI engine. i.e. chips, injectors, powerboxes, clutches, etc. Handling, suspensions, wheels, type discussion should be put into the "Upgrades (non TDI Engine related)" forum. Non TDI vehicle related postings will be moved or removed. Please note the Performance Disclaimer.

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Old May 29th, 2010, 04:47   #1
Little Pickle
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Join Date: Aug 2009
Location: Spain
Default One photo and one question (1z)

Hi folks

Im trying to get to the bottom of my lack of boost problem so have been checking everything and replacing things for new i.e replace all original breather pipes for silicon ones.

When we did the original conversion 3 years ago this pipe (as circled in the photo below) was attached to the air filter housing. Due to lack of space I have to use a oiled cone filter and have nowhere for this pipe to be attached so its just hanging loose as you can see. Up til yesterday this pipe was just kinked and blocked off I decided to open it up and see what happened, well didnt notice anything.

My question is what is this pipe for and how shall i deal with it? Open or closed??


Seat Arosa 1z TDI. BB K03 Hybrid Turbo, 2.5 downpipe, PD lift pump, Custom re-map, PP520, Green cone airfilter, EGR delete, De-cat & boxes, FMIC from a Renault Master, Sparco Milanos, KW Variant 3 coilovers, 288mm Brakes, 320+NM, 150ish bhp.
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Old May 29th, 2010, 09:25   #2
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Join Date: May 2004
Location: Pomona, Southern California

With an EGR Delete, that N18 valve becomes useless. All I have done is kept it electronically connected to keep the CEL away. The vacuum hoses are not connected to it and should not be an issue.
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