Jerry McG

Not really an unusual situation, aside from being a low volume repalcement
item (modern cats are very robust and don't fail with any regularity) cats
are really expensive for a dealer to keep in stock.

What usually causes a cat to fail is outside influence (a rock or other road
hazard). Most modern systems go into some form of limp home mode that will
prevent the cat from loading up with fuel and overheating. Unless it's clear
that it failed from being struck from the outside, it would be sensible to
have a knowledeable tech check this thing out with proper diagnostiocs eqpt
before you replace the cat.



"Eric" <gymrat@baileyscorner.com> wrote in message
news:Hs1sc.18949$KO2.12542@fe2.texas.rr.com...
> I told the stealership to check it out... .I sure hope I didn't trash
> anything. I had no choice but to wait until now to get it fixed. The
> problem didn't start until I was at OTS, then I had to get home somehow...
> really no problem until Thursday. Then I took it in. Any idea how to
check
> the valves??
>
> By the way, apparently the nearest cat at ANY dealer is in Arizona (I'm in
> San Antonio). What the heck is that about? Dealers don't stock them???
>
> Eric
> 99 TJ SE
> "L.W. (ßill) ------ III" <----------@***.net> wrote in message
> news:40AFB247.FCD6FC93@***.net...
> > You know you've probably already cooked your exhaust valves in your
> > procrastination.
> > God Bless America, ßill O|||||||O
> > mailto:-------------------- http://www.----------.com/
> >
> > Eric wrote:
> > >
> > > I got 4.5 MPG (nope, not a typo) on Thursday in my 99 TJ! 92 miles
and
> it
> > > was going on E.
> > >
> > > Freakin' catalytic converters..
> > >
> > > Eric
> > > 99 TJ SE
>
>

SB

where is the cat? part of the exhuast system isn't it? How would it load
up with fuel?

couldn't you just pop it off to get a better "limp-home" mileage??
Cops may get nasty about it...but if you're burning a LOT of fuel anyhow, I
doubt you are within emissions specs!



"Jerry McG" <gmcgeorge.remove@frontier.net> wrote in message
news:c8qaio01pac@enews3.newsguy.com...
> Not really an unusual situation, aside from being a low volume repalcement
> item (modern cats are very robust and don't fail with any regularity) cats
> are really expensive for a dealer to keep in stock.
>
> What usually causes a cat to fail is outside influence (a rock or other
road
> hazard). Most modern systems go into some form of limp home mode that will
> prevent the cat from loading up with fuel and overheating. Unless it's
clear
> that it failed from being struck from the outside, it would be sensible to
> have a knowledeable tech check this thing out with proper diagnostiocs
eqpt
> before you replace the cat.
>
>
>
> "Eric" <gymrat@baileyscorner.com> wrote in message
> news:Hs1sc.18949$KO2.12542@fe2.texas.rr.com...
> > I told the stealership to check it out... .I sure hope I didn't trash
> > anything. I had no choice but to wait until now to get it fixed. The
> > problem didn't start until I was at OTS, then I had to get home
somehow...
> > really no problem until Thursday. Then I took it in. Any idea how to
> check
> > the valves??
> >
> > By the way, apparently the nearest cat at ANY dealer is in Arizona (I'm
in
> > San Antonio). What the heck is that about? Dealers don't stock them???
> >
> > Eric
> > 99 TJ SE
> > "L.W. (ßill) ------ III" <----------@***.net> wrote in message
> > news:40AFB247.FCD6FC93@***.net...
> > > You know you've probably already cooked your exhaust valves in
your
> > > procrastination.
> > > God Bless America, ßill O|||||||O
> > > mailto:-------------------- http://www.----------.com/
> > >
> > > Eric wrote:
> > > >
> > > > I got 4.5 MPG (nope, not a typo) on Thursday in my 99 TJ! 92 miles
> and
> > it
> > > > was going on E.
> > > >
> > > > Freakin' catalytic converters..
> > > >
> > > > Eric
> > > > 99 TJ SE
> >
> >
>
>

SB

where is the cat? part of the exhuast system isn't it? How would it load
up with fuel?

couldn't you just pop it off to get a better "limp-home" mileage??
Cops may get nasty about it...but if you're burning a LOT of fuel anyhow, I
doubt you are within emissions specs!



"Jerry McG" <gmcgeorge.remove@frontier.net> wrote in message
news:c8qaio01pac@enews3.newsguy.com...
> Not really an unusual situation, aside from being a low volume repalcement
> item (modern cats are very robust and don't fail with any regularity) cats
> are really expensive for a dealer to keep in stock.
>
> What usually causes a cat to fail is outside influence (a rock or other
road
> hazard). Most modern systems go into some form of limp home mode that will
> prevent the cat from loading up with fuel and overheating. Unless it's
clear
> that it failed from being struck from the outside, it would be sensible to
> have a knowledeable tech check this thing out with proper diagnostiocs
eqpt
> before you replace the cat.
>
>
>
> "Eric" <gymrat@baileyscorner.com> wrote in message
> news:Hs1sc.18949$KO2.12542@fe2.texas.rr.com...
> > I told the stealership to check it out... .I sure hope I didn't trash
> > anything. I had no choice but to wait until now to get it fixed. The
> > problem didn't start until I was at OTS, then I had to get home
somehow...
> > really no problem until Thursday. Then I took it in. Any idea how to
> check
> > the valves??
> >
> > By the way, apparently the nearest cat at ANY dealer is in Arizona (I'm
in
> > San Antonio). What the heck is that about? Dealers don't stock them???
> >
> > Eric
> > 99 TJ SE
> > "L.W. (ßill) ------ III" <----------@***.net> wrote in message
> > news:40AFB247.FCD6FC93@***.net...
> > > You know you've probably already cooked your exhaust valves in
your
> > > procrastination.
> > > God Bless America, ßill O|||||||O
> > > mailto:-------------------- http://www.----------.com/
> > >
> > > Eric wrote:
> > > >
> > > > I got 4.5 MPG (nope, not a typo) on Thursday in my 99 TJ! 92 miles
> and
> > it
> > > > was going on E.
> > > >
> > > > Freakin' catalytic converters..
> > > >
> > > > Eric
> > > > 99 TJ SE
> >
> >
>
>

SB

where is the cat? part of the exhuast system isn't it? How would it load
up with fuel?

couldn't you just pop it off to get a better "limp-home" mileage??
Cops may get nasty about it...but if you're burning a LOT of fuel anyhow, I
doubt you are within emissions specs!



"Jerry McG" <gmcgeorge.remove@frontier.net> wrote in message
news:c8qaio01pac@enews3.newsguy.com...
> Not really an unusual situation, aside from being a low volume repalcement
> item (modern cats are very robust and don't fail with any regularity) cats
> are really expensive for a dealer to keep in stock.
>
> What usually causes a cat to fail is outside influence (a rock or other
road
> hazard). Most modern systems go into some form of limp home mode that will
> prevent the cat from loading up with fuel and overheating. Unless it's
clear
> that it failed from being struck from the outside, it would be sensible to
> have a knowledeable tech check this thing out with proper diagnostiocs
eqpt
> before you replace the cat.
>
>
>
> "Eric" <gymrat@baileyscorner.com> wrote in message
> news:Hs1sc.18949$KO2.12542@fe2.texas.rr.com...
> > I told the stealership to check it out... .I sure hope I didn't trash
> > anything. I had no choice but to wait until now to get it fixed. The
> > problem didn't start until I was at OTS, then I had to get home
somehow...
> > really no problem until Thursday. Then I took it in. Any idea how to
> check
> > the valves??
> >
> > By the way, apparently the nearest cat at ANY dealer is in Arizona (I'm
in
> > San Antonio). What the heck is that about? Dealers don't stock them???
> >
> > Eric
> > 99 TJ SE
> > "L.W. (ßill) ------ III" <----------@***.net> wrote in message
> > news:40AFB247.FCD6FC93@***.net...
> > > You know you've probably already cooked your exhaust valves in
your
> > > procrastination.
> > > God Bless America, ßill O|||||||O
> > > mailto:-------------------- http://www.----------.com/
> > >
> > > Eric wrote:
> > > >
> > > > I got 4.5 MPG (nope, not a typo) on Thursday in my 99 TJ! 92 miles
> and
> > it
> > > > was going on E.
> > > >
> > > > Freakin' catalytic converters..
> > > >
> > > > Eric
> > > > 99 TJ SE
> >
> >
>
>

SB

where is the cat? part of the exhuast system isn't it? How would it load
up with fuel?

couldn't you just pop it off to get a better "limp-home" mileage??
Cops may get nasty about it...but if you're burning a LOT of fuel anyhow, I
doubt you are within emissions specs!



"Jerry McG" <gmcgeorge.remove@frontier.net> wrote in message
news:c8qaio01pac@enews3.newsguy.com...
> Not really an unusual situation, aside from being a low volume repalcement
> item (modern cats are very robust and don't fail with any regularity) cats
> are really expensive for a dealer to keep in stock.
>
> What usually causes a cat to fail is outside influence (a rock or other
road
> hazard). Most modern systems go into some form of limp home mode that will
> prevent the cat from loading up with fuel and overheating. Unless it's
clear
> that it failed from being struck from the outside, it would be sensible to
> have a knowledeable tech check this thing out with proper diagnostiocs
eqpt
> before you replace the cat.
>
>
>
> "Eric" <gymrat@baileyscorner.com> wrote in message
> news:Hs1sc.18949$KO2.12542@fe2.texas.rr.com...
> > I told the stealership to check it out... .I sure hope I didn't trash
> > anything. I had no choice but to wait until now to get it fixed. The
> > problem didn't start until I was at OTS, then I had to get home
somehow...
> > really no problem until Thursday. Then I took it in. Any idea how to
> check
> > the valves??
> >
> > By the way, apparently the nearest cat at ANY dealer is in Arizona (I'm
in
> > San Antonio). What the heck is that about? Dealers don't stock them???
> >
> > Eric
> > 99 TJ SE
> > "L.W. (ßill) ------ III" <----------@***.net> wrote in message
> > news:40AFB247.FCD6FC93@***.net...
> > > You know you've probably already cooked your exhaust valves in
your
> > > procrastination.
> > > God Bless America, ßill O|||||||O
> > > mailto:-------------------- http://www.----------.com/
> > >
> > > Eric wrote:
> > > >
> > > > I got 4.5 MPG (nope, not a typo) on Thursday in my 99 TJ! 92 miles
> and
> > it
> > > > was going on E.
> > > >
> > > > Freakin' catalytic converters..
> > > >
> > > > Eric
> > > > 99 TJ SE
> >
> >
>
>

DougW

SB did pass the time by typing:
> where is the cat? part of the exhuast system isn't it? How would it load
> up with fuel?

Leaking injector, failed sparkplug/wire, cracked exhaust manifold, or
drifting O2 sensor.

> couldn't you just pop it off to get a better "limp-home" mileage??
> Cops may get nasty about it...but if you're burning a LOT of fuel anyhow, I
> doubt you are within emissions specs!

The cat is located just before the muffler. It could be removed if the
clamps haven't rusted closed and you have a air chisel or hotwrench.


--
-- DougW -- 93 ZJ 4.0 http://members.***.net/wilsond
HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks
Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors
Banks Header - and BEER, in the fridge!

DougW

SB did pass the time by typing:
> where is the cat? part of the exhuast system isn't it? How would it load
> up with fuel?

Leaking injector, failed sparkplug/wire, cracked exhaust manifold, or
drifting O2 sensor.

> couldn't you just pop it off to get a better "limp-home" mileage??
> Cops may get nasty about it...but if you're burning a LOT of fuel anyhow, I
> doubt you are within emissions specs!

The cat is located just before the muffler. It could be removed if the
clamps haven't rusted closed and you have a air chisel or hotwrench.


--
-- DougW -- 93 ZJ 4.0 http://members.***.net/wilsond
HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks
Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors
Banks Header - and BEER, in the fridge!

DougW

SB did pass the time by typing:
> where is the cat? part of the exhuast system isn't it? How would it load
> up with fuel?

Leaking injector, failed sparkplug/wire, cracked exhaust manifold, or
drifting O2 sensor.

> couldn't you just pop it off to get a better "limp-home" mileage??
> Cops may get nasty about it...but if you're burning a LOT of fuel anyhow, I
> doubt you are within emissions specs!

The cat is located just before the muffler. It could be removed if the
clamps haven't rusted closed and you have a air chisel or hotwrench.


--
-- DougW -- 93 ZJ 4.0 http://members.***.net/wilsond
HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks
Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors
Banks Header - and BEER, in the fridge!

DougW

SB did pass the time by typing:
> where is the cat? part of the exhuast system isn't it? How would it load
> up with fuel?

Leaking injector, failed sparkplug/wire, cracked exhaust manifold, or
drifting O2 sensor.

> couldn't you just pop it off to get a better "limp-home" mileage??
> Cops may get nasty about it...but if you're burning a LOT of fuel anyhow, I
> doubt you are within emissions specs!

The cat is located just before the muffler. It could be removed if the
clamps haven't rusted closed and you have a air chisel or hotwrench.


--
-- DougW -- 93 ZJ 4.0 http://members.***.net/wilsond
HESCO Supercharger - 300W IASCA Stereo - Edelbrock IAS Shocks
Gibson Exhaust - rear DCpower - custom gauge install - Stillen Rotors
Banks Header - and BEER, in the fridge!

Eric

That's what they are SUPPOSED to be doing. There are a couple of problems
with that, though:

1. I didn't buy it at this dealership. So what is their incentive to do
"above and beyond?"(although I've purchased two cars from them about 3-5
years ago)
2. It isn't under warranty anymore. The cat is due to the 7 year emissions
warranty, but that's it.

Also, I know there wasn't any damage to the cat from outside hazards. I
looked it over myself. Besides, it's very well protected by the stock skid
plate. Wow, that seems kind of strange to say.. "very well protected by a
stock...". ;-)

Eric
99 TJ SE
"Jerry McG" <gmcgeorge.remove@frontier.net> wrote in message
news:c8qaio01pac@enews3.newsguy.com...
> Not really an unusual situation, aside from being a low volume repalcement
> item (modern cats are very robust and don't fail with any regularity) cats
> are really expensive for a dealer to keep in stock.
>
> What usually causes a cat to fail is outside influence (a rock or other
road
> hazard). Most modern systems go into some form of limp home mode that will
> prevent the cat from loading up with fuel and overheating. Unless it's
clear
> that it failed from being struck from the outside, it would be sensible to
> have a knowledeable tech check this thing out with proper diagnostiocs
eqpt
> before you replace the cat.
>
>
>
> "Eric" <gymrat@baileyscorner.com> wrote in message
> news:Hs1sc.18949$KO2.12542@fe2.texas.rr.com...
> > I told the stealership to check it out... .I sure hope I didn't trash
> > anything. I had no choice but to wait until now to get it fixed. The
> > problem didn't start until I was at OTS, then I had to get home
somehow...
> > really no problem until Thursday. Then I took it in. Any idea how to
> check
> > the valves??
> >
> > By the way, apparently the nearest cat at ANY dealer is in Arizona (I'm
in
> > San Antonio). What the heck is that about? Dealers don't stock them???
> >
> > Eric
> > 99 TJ SE
> > "L.W. (ßill) ------ III" <----------@***.net> wrote in message
> > news:40AFB247.FCD6FC93@***.net...
> > > You know you've probably already cooked your exhaust valves in
your
> > > procrastination.
> > > God Bless America, ßill O|||||||O
> > > mailto:-------------------- http://www.----------.com/
> > >
> > > Eric wrote:
> > > >
> > > > I got 4.5 MPG (nope, not a typo) on Thursday in my 99 TJ! 92 miles
> and
> > it
> > > > was going on E.
> > > >
> > > > Freakin' catalytic converters..
> > > >
> > > > Eric
> > > > 99 TJ SE
> >
> >
>
>