a.i.r what does it do
Registered User
Joined: Nov 2001
Posts: 719
From: Summerfield, NC USA
lt1s are programmed to run rich at startup, the air pump pumps fresh oxygen into the exhaust to help the cats light off and burn all the extra fuel going through the exhaust. it's for emissions, helps the cats heat up, no you don't need it for the orp.
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camarosource
General 1967-2002 F-Body Tech
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Feb 14, 2012 12:34 PM