It doesn't matter, before or after... ie. Dynojet places a Air/Fuel sensor
in the tail and gets good readings. You should be able to wire on in so you
switch between both banks
----- Original Message -----
From: <Aajaynefour@cs.com>
To: <dakota-truck@buffnet.net>
Sent: Friday, April 06, 2001 1:08 PM
Subject: DML: A/F monitors and the 4.7L mini cats
> Help!
>
> I want to use an A/F monitor but have a few questions. First, do you tap
> into the upstream or downstream O2 sensor(s)? My guess is the upstream,
> before the cat has a chance to alter the mixture. Not sure though.
Second,
> on the dual mini cat 4.7's, is one A/F monitor sufficient or should I run
> two, one for each cylinder bank?
>
> Thanks
> Andrew
>
> P.S. Thanks to all who posted responses to my question regarding the IAT
> adjuster and its function. This list is a valuable resource beyond
compare.
>
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