Jellybean Posted June 3, 2016 Share Posted June 3, 2016 Does anybody know why a small K&N type filter is put on there? I am having boost leak issues with it on , affects fuel consumption, I presume other members do too? anybody with an aftermaket ECU, did you mappers comment on the ICV is very slow to react ; difficult to prevent boost leak Link to comment Share on other sites More sharing options...
Chris Wilson Posted June 3, 2016 Share Posted June 3, 2016 (edited) If the idle control valve is fitted properly and just bypasses the throttle plate without sucking from or improperly venting to atmo it can't leak boost... the vent to atmo is just a quick and dirty way of fitting one, you won't see it done like that on a production car. Edited June 3, 2016 by Chris Wilson (see edit history) Link to comment Share on other sites More sharing options...
Jellybean Posted June 3, 2016 Author Share Posted June 3, 2016 Thanks Chris, going to plumb it back in like OEM Link to comment Share on other sites More sharing options...
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