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Old 02-24-2007, 07:23 PM   #1
Scooby Specialist
Member#: 121390
Join Date: Jul 2006
Chapter/Region: NESIC
Location: Northern MA
06 WRX Wagon

Question 06 WRX Air Pump Removal - is it safe??

Ok, been searching this site and a lot of other forums but haven't really found an answer.

While wiring up my gauges today, I removed the Air Pump that is on the drivers side of the engine compartment where the Washer fluid was on the pre-06 models. STI's do not even have this air pump.

I know it is used in the first 20-30 seconds of a start to feed air into the exhaust system so that the car will run cleaner and heat of the cat faster; but is it realy necessary?? After removing it, I plugged up the air hose that it fed and the car seems to be running just fine - no CEL or anything.

I was wondering if anyone had any experience with this on 06+ WRX's...

Thanks in advance.

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