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-   -   wideband o2 vs 2ndry air system (http://forums.pelicanparts.com/911-930-turbo-super-charging-forum/669165-wideband-o2-vs-2ndry-air-system.html)

johnnycoo1 04-01-2012 12:49 PM
wideband o2 vs 2ndry air system
 
Hi , just about to fit a wideband O2 sensor (innovate) to my 964 Turbo , just wondering can the secondary air injection system throw off the readings on this ?

cheers

Johnny

JFairman 04-01-2012 12:57 PM
Yes it will totally. You're adding air to the exhaust and that alone will show a leaner mixture in the tailpipe, and it's helping to burn off extremely hot remaining unburned gas and hydrocarbons in the exhaust port.

johnnycoo1 04-01-2012 01:08 PM
so by the sounds of it i better remove/disable the 2ndry air injection if this thing is gonna be any use at all ?

cheers

J:eek:


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