12-11-2014, 10:04 AM
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#10 (permalink)
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A True Z Fanatic
Join Date: Dec 2010
Location: Houston
Posts: 14,532
Drives: '10 G37 6MT
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Quote:
Originally Posted by TopgunZ
Maybe its my E85 tune that tuned it out. Not sure. But I had that hiccup really bad with my old Utec EMS. It was annoying.
I am also on ID1000's. Could be something there as well.
Are hot starts an issue at all? Does it take a bit more cranking?
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No starting issues at all. I'm convinced that the ECU is expecting crankcase gases to be recycled into the intake. By venting that PCV I think it stumbles slightly expecting a little bit of rich air that doesn't come in. Of course it could be the other direction and when the crank case goes high vacuum it sucks in a bunch of unmetered air. I'm grasping at straws and I'm not a tuner 
It's very minor these days but it's still there. My idle cleaned up a ton when I pull the post-cat O2s complete out.
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