Yes...it's possible with that many miles. The counter doesn't trip the MIL
immediately (and depends on frequency and parameters).
Yes, the O2-SIMM does the same and it's much smaller (and easier to hide)
than the KatBox.
- Bernd
----- Original Message -----
From: "Grady Ogburn" <jgo@nospamplease.uswest.net>
To: <dakota-truck-moderator@bent.twistedbits.net>
Sent: Saturday, February 28, 2004 2:36 PM
Subject: Re: DML: Re: "Catalyst efficiency" code -- questions
>
> 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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