Re: Re: "Catalyst efficiency" code -- questions

From: Grady Ogburn (jgo@nospamplease.uswest.net)
Date: Sat Feb 28 2004 - 15:36:53 EST


On Sat, 28 Feb 2004 14:31:13 -0500, fasstdak@hotmail.com said...
>
> With any aftermarket High-Flow cat, the factory specs are changed and the
> rear O2 (which monitors Cat efficiency) will see different parameters -
> causing the code.

After 25k miles with no code?

> Just install either an O2-SIMM or KatBox and you'll be
> done.

Well, PA being both my new home AND an emissions inspection
state, I'm pretty sure the KatBox won't do. Does the O2-SIMM do
the same sort of thing, faking out the PCM?

Thanks, Bernd.

-- 
Grady Ogburn (Denver, AIM: JGradyO)
Black '98 Sport CC 4x4 5.2l, 5 Speed, 3.55 LSD
K&N GenII, MP TB, JET II, MSD 6A, Magnecor 8.5 Wires
Mesa Headers & Cat, Gibson/MagnaFlow 3" Exhaust 
Leer Topper



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