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Old 11-20-2008, 09:40 PM   #172
Scooby Guru
Member#: 10108
Join Date: Sep 2001
Chapter/Region: TXIC
Location: Killeen, TX
2016 Bicycle


Originally Posted by SatinWhitePearl View Post
Alright, a couple quick questions-

I was told by a shop/tuner that the sensor everyone is concerned about measures the air that the pump in pushing into the cat, pressure wise.

So that removing the unit and all lines/pumps/solenoids is fine and any check engine lights can be removed without harming the car.

Anyone have any solid experience with this on an 07 STI?

How many people are currently running their 07 STI's without this pump, entirely removed, and have they had any issues?


Plug in the air pump system valve that has the bigger sensor on it. It contains the Atmospheric Pressure Sensor. Disable the codes. It will run kinda weird on cold starts, but you can adjust the cold start enrichment fueling tables for it. I have no air pump. 2 catch cans take up that spot instead.

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