06 WRX Air Pump Removal - is it safe??
View Single Post
05-01-2012, 06:48 AM
99 outback sport
The primary function of this system is to add extra air into the cylinders during the first 20-30 seconds of cold start up to lean out the mixture a bit and heat up the catalytic converters so they work more efficiently.
of the site do not see these ads.
View Public Profile
Find More Posts by EvileyeZ88