[V8] flashing cat light

Curtis Helton fatboy03 at gmail.com
Wed Feb 18 20:21:07 PST 2009


LOL...Yeah. I thought the same thing. Would be probably cheaper to have the
exhaust custom made. I'm going to talk to my exhaust guy friday. I may go
that route and put a Magnaflow on it.

I had 3" catless on my type 44 avant with a magnaflow and it was the meanest
sounding exhaust I've ever heard. Was a little loud though. :) Getting to
old for that. LOL

On Wed, Feb 18, 2009 at 11:15 PM, Seamus O'Carey
<cheshirecatsbox at gmail.com>wrote:

> Wow, just looked up Stebro exhuast.  They look pretty nice, but it looks
> like it's nearly $2k for the entire exhaust (not including the cats).
>
> pages 8 and 9:
> http://www.stebro.net/html/Default.aspx?PageMenuID=1274
>
> On Wed, Feb 18, 2009 at 8:09 PM, Curtis Helton <fatboy03 at gmail.com> wrote:
>
> > Thanks guys for the quick responses. I'm going to try to get it on a lift
> > this friday. And check the cats out. I would really like to take them off
> > all together. I have an exhaust guy that will have NP taking the cats
> off.
> > :D
> >
> > On a side note....what is out there as far as exhausts go for the V8Q??
> > I've only heard of one system, and that's what Mr Wainright is running.
> > Stebro I think it is?
> >
> > Thanks!
> >
> >
> >
> > On Wed, Feb 18, 2009 at 10:42 PM, Ed Kellock <ekellock at gmail.com> wrote:
> >
> >> Exactly.  I had the same issue.  It would start flashing way before it
> was
> >> likely that the cats were overheating.
> >>
> >> You can take out the passenger side carpet and console side piece and
> get
> >> to
> >> the wires from the sensor that run through the floor.  That is how I was
> >> able to determine that there's a short... I could get the light to go
> out
> >> by
> >> wiggling them.
> >>
> >> Ed
> >>
> >> > -----Original Message-----
> >> > From: v8-bounces at audifans.com
> >> > [mailto:v8-bounces at audifans.com] On Behalf Of Seamus O'Carey
> >> > Sent: Wednesday, February 18, 2009 8:35 PM
> >> > To: V8 at audifans.com
> >> > Subject: Re: [V8] flashing cat light
> >> >
> >> >
> >> > I did notice during our recent snow that if I drove through
> >> > an area where the snow was deep enough to touch the bottom of
> >> > the car the cat light would go out for a while.  I figured
> >> > the snow cooled things down enough to temporarily make the
> >> > light go out.
> >> >
> >> > However, what still confuses me is that the cat light is
> >> > flashing from the moment I start the car.  It couldn't
> >> > possibly be overheating that quickly. Maybe the vibration
> >> > from the snow hitting the bottom of the car was able to
> >> > wiggle the wires into making contact for a short amount of time??
> >> >
> >> > Seamus
> >> >
> >> > On Wed, Feb 18, 2009 at 7:02 PM, Ed Kellock
> >> > <ekellock at gmail.com> wrote:
> >> >
> >> > > There is a sensor in the back outside corner of the passenger side
> >> > > cat.  It is a heat sensor to tell you when/if the cats might be
> >> > > overheating. However, if the wire to the sensor is broken for any
> >> > > reason, the light will flash.  Mine had an intermittent short and
> >> > > would flash almost all the time. I was able to wiggle it
> >> > and make it
> >> > > stop so I knew it wasn't a temp issue.
> >> > >
> >> > > In other words, you may not have an issue with your cats at all.
> >> > >
> >> > > I don't believe the warm start issue is related.
> >> > >
> >> > > There are diagnostics for the cat sensor.  There's a relay in the
> >> > > passenger side footwell that controls the sensor.  If you
> >> > remove the
> >> > > relay, the light will no longer flash.  It will still come on
> >> > > initially when you turn the key on and then go out just like normal
> >> > > when you start the car.
> >> > >
> >> > > Ed
> >> > >
> >> > > > -----Original Message-----
> >> > > > From: v8-bounces at audifans.com [mailto:v8-bounces at audifans.com] On
> >> > > > Behalf Of Seamus O'Carey
> >> > > > Sent: Wednesday, February 18, 2009 7:56 PM
> >> > > > To: V8 at audifans.com
> >> > > > Subject: Re: [V8] flashing cat light
> >> > > >
> >> > > >
> >> > > > I have pretty much the same issue.
> >> > > >
> >> > > > Your options are:
> >> > > > A. Remove them, but unless you have the equipment to remove them
> >> > > > yourself, you'd have to find a shop willing to do the
> >> > work.  It's a
> >> > > > HUGE fine if they get caught, though, so most won't want to. B.
> >> > > > Rather than remove them you can just gut them (jam a rod through
> >> > > > them over and over until nothing is left inside), but
> >> > again you'll
> >> > > > have to find a way to remove and replace them.  If our cats are
> >> > > > bolt-ons it won't be a problem, but if they're welded in place
> >> > > > you'll have the same trouble as option A.
> >> > > >
> >> > > > I was thinking about just gutting my cats if it turns out they're
> >> > > > just bolted in place, but it seems like cats are usually
> >> > welded at
> >> > > > least at one end.
> >> > > >
> >> > > > Seamus
> >> > > >
> >> > > > On Wed, Feb 18, 2009 at 5:42 PM, Curtis Helton
> >> > <fatboy03 at gmail.com>
> >> > > > wrote:
> >> > > >
> >> > > > > Have had that every since I bought the car. It runs great. No
> >> > > > > hesitation, stuttering, ect. Only thing it does every once
> >> > > > in a while
> >> > > > > is it will not start and stay running after it's warmed up.
> >> > > > I have to
> >> > > > > give it some gas to keep it running.
> >> > > > > After I take off in it, it's fine.I did VAG it and their
> >> > > > were NO codes.
> >> > > > >
> >> > > > > Several questions here.
> >> > > > >
> >> > > > > 1. Can I get rid of the cats all together w/o to much trouble?
> >> > > > > Thinking I would like a little louder exhaust than
> >> > stock. Also no
> >> > > > > emission testing. So, no worries there.
> >> > > > >
> >> > > > > 2. As far as how it doesn't want to stay running while
> >> > > > trying to start
> >> > > > > it after it's warmed up.Would that have anyhing to do with the
> >> > > > > cats?
> >> > > > >
> >> > > > >
> >> > > > > TIA,
> >> > > > >
> >> > > > > Curtis
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