Catalytic coverter misery Log Out | Topics | Search
Moderators | Register | Edit Profile

DiscoWeb Bulletin Board » Message Archives » 2003 Archives - Discovery Technical » Archive through December 16, 2003 » Catalytic coverter misery « Previous Next »

Author Message
 

alexa lemley (Discochef)
New Member
Username: Discochef

Post Number: 6
Registered: 11-2003
Posted on Tuesday, December 09, 2003 - 10:21 am:   Edit Post Delete Post Print Post

Hello I need some advice- my 96 disco's cat has gone bad Ive gone to all of the muffler places and they say they cant help- is it possible to run a straight pipe and bypass the cat? what about the oxygen sensors? This is very depressing as I do not have a spare 1000$ burining a hole in my pocket. Thanks.
 

Chris Browne (Chris_browne)
Senior Member
Username: Chris_browne

Post Number: 475
Registered: 02-2003
Posted on Tuesday, December 09, 2003 - 11:07 am:   Edit Post Delete Post Print Post

Whats bad about it?
 

charles pastrano (Charles)
Senior Member
Username: Charles

Post Number: 329
Registered: 08-2002
Posted on Tuesday, December 09, 2003 - 04:38 pm:   Edit Post Delete Post Print Post

Any muffler shop should be able to put a catco converter on for about $150
 

alexa lemley (Discochef)
New Member
Username: Discochef

Post Number: 7
Registered: 11-2003
Posted on Tuesday, December 09, 2003 - 05:41 pm:   Edit Post Delete Post Print Post

The muffler places I have been to both chain stores and independents, say that it is a dealer only part and they cant get a price. They seem scared by the two oxygen sensors. I found one guy who will install it if I find the part- I found one at atlantic british but it was 500$ is there any thing I can do to rig it?
 

Janaka Perera (Jperera)
New Member
Username: Jperera

Post Number: 16
Registered: 05-2003
Posted on Tuesday, December 09, 2003 - 05:52 pm:   Edit Post Delete Post Print Post

This might be helpful: http://www.discoweb.org/warranty.htm

(Got it from a previous post.)
 

luis cardon (Luisc8)
New Member
Username: Luisc8

Post Number: 22
Registered: 10-2003
Posted on Tuesday, December 09, 2003 - 11:41 pm:   Edit Post Delete Post Print Post

I would just by pass it with some cheap pipes from autozone and then if your ce light comes on spend the 149 for the OBD II computer because sooner or later your gonna need it. When you have that monitor that to see if you have other problems, but you will most likely have a emission warning from your new OBD II comp. pipes less than 10 bucks and the comp at autozone is 149. less than 500+
 

alexa lemley (Discochef)
New Member
Username: Discochef

Post Number: 8
Registered: 11-2003
Posted on Wednesday, December 10, 2003 - 04:00 am:   Edit Post Delete Post Print Post

That sounds like more what I have in mind since unfortunately there is no warranty on the vehicle. So by passing it will not harm the vehicle? Thanks.
 

Brett A. Naquin (Bnaquin)
New Member
Username: Bnaquin

Post Number: 9
Registered: 09-2003
Posted on Wednesday, December 10, 2003 - 05:28 am:   Edit Post Delete Post Print Post

My passenger side cat went bad and caused a knocking/pinging noise a few months ago. A local welding/muffler shop replaced it for $150 parts and labor. You may need to look around a bit but someone should be able to cut out the old cat and weld in a new.
 

Tbow (Tbow)
Member
Username: Tbow

Post Number: 157
Registered: 12-2002
Posted on Wednesday, December 10, 2003 - 07:21 am:   Edit Post Delete Post Print Post

The reason muffler shops are telling you that is because everything after 1996 have to have the OBDII compliant catalytic Converters on them. The older universal Cats are only for 1995 and older vehicles.

LR cats are available new from a LR dealer or a lot of aftermarket suppliers like XKS, but they are VERY pricy. You can also get them reconditioned for about 500 dollars.

There are universal OBDII compliant cats available, but they are not currently approved for Land Rovers. Depending on the application, we normally sell them installed for 250 to 300.

You want to becareful installing a OBDI cat on a OBDII system because I've had them set off the check engine lights from the 02 sensor.

Email me if you need any further help or have any questions.

Tim
 

Jesse Lessard (Jlessard)
Member
Username: Jlessard

Post Number: 76
Registered: 10-2002
Posted on Wednesday, December 10, 2003 - 12:40 pm:   Edit Post Delete Post Print Post

So has any one here put some catco cats on a 96?
if so, tell us how it went.
 

Brian O'Connor (Hooky)
New Member
Username: Hooky

Post Number: 39
Registered: 09-2003
Posted on Wednesday, December 10, 2003 - 09:35 pm:   Edit Post Delete Post Print Post

Here is my story... nice and cheep too :-)

../2/37625.html"#444444">
 

James (Jimmyg)
Senior Member
Username: Jimmyg

Post Number: 441
Registered: 10-2002
Posted on Thursday, December 11, 2003 - 12:14 am:   Edit Post Delete Post Print Post

On a 95, what would happen if you just replaced the cats with straight pipe? On the 95, there are NO O2 sensors after the cats.
 

Gilbert Leo (Corokia)
New Member
Username: Corokia

Post Number: 11
Registered: 07-2003
Posted on Thursday, December 11, 2003 - 12:42 am:   Edit Post Delete Post Print Post

Cut both my 93 V8i Cats out. (after the pre Cat O2 sensors)and more rumble now than before. Maybe a little increase in power I think! Better check re emission control law at your end. No emission laws here in NZ yet.

Cheers
 

Brent Bodiford (Bodbr01)
New Member
Username: Bodbr01

Post Number: 1
Registered: 11-2003
Posted on Thursday, December 11, 2003 - 09:04 am:   Edit Post Delete Post Print Post

I have a '97 SE7 with 107000. Went to a custom muffler shop and used high performance MagnaFlow CATS for replacement. OBDII compliant and all. Approx $200 for each CAT and approx $200 for labor. $600 total and my mileage went from low 14s to 16-WOW. You can actually feel the difference in power too.

TX
Brent
 

Will Tillery (Will)
Member
Username: Will

Post Number: 209
Registered: 11-2002
Posted on Thursday, December 11, 2003 - 02:09 pm:   Edit Post Delete Post Print Post

We have new hi flow y pipes for 450.00 with a 1 yr replacement guarantee.


or the following
For D1's 1994-95
590.00 with 2 new sensors
d1 1996-99 with 4 sensors 780.00

150.00 core charge.
 

alexa lemley (Discochef)
New Member
Username: Discochef

Post Number: 9
Registered: 11-2003
Posted on Friday, December 12, 2003 - 10:59 am:   Edit Post Delete Post Print Post

What exactly do the O2 sensors do other than sense oxygen? Are they really important to the vehicle running well? We dont have vehicle inspections here in Indiana so Im not all that concerned about cutting out the cat but I dont want to hurt my beloved disco either.
 

Christopher Boese (Christopher)
Member
Username: Christopher

Post Number: 234
Registered: 10-2002
Posted on Friday, December 12, 2003 - 12:53 pm:   Edit Post Delete Post Print Post

Janaka, great link to that 80000-mile emissions warranty info. Just last week, the converter on my Audi failed. It was replaced under Federal Emissions Warranty (the car has 75000 on it.) Audi picked up the entire $1500 charge! And the dealer moves to another town today, so the timing couldn't have been better.

Alexa, the oxygen sensors feed back data to the fuel-injection computer. It seems that, while my car's converter was leaking exhaust, it was running way too lean.
 

Robin Cooper (Cooper1)
New Member
Username: Cooper1

Post Number: 1
Registered: 12-2003
Posted on Friday, December 12, 2003 - 03:28 pm:   Edit Post Delete Post Print Post

OK. I have a 97 Disco and something is doing some serious ratteling when I am at idle. From reading the above comments, its obviously my cat catalytic converters. So, im not sure what OBDI and OBDII mean. Maybe someone can fill me in. What would be the best route to take in repairing my broke ass Discovery? Do you have to replace the O2 sensors at the same time? Thanks.
 

Will Tillery (Will)
Member
Username: Will

Post Number: 213
Registered: 11-2002
Posted on Friday, December 12, 2003 - 03:34 pm:   Edit Post Delete Post Print Post

Robin,

Also check your heat shields...They rattle sometimes and can make one think they have bad cats.

As far as replacing the o2 sensors during cat replacement its not a bad idea...especially if they are original. Its a heck of a lot easier to replace with the y pipes off as well.

 

Robin Cooper (Cooper1)
New Member
Username: Cooper1

Post Number: 3
Registered: 12-2003
Posted on Friday, December 12, 2003 - 03:38 pm:   Edit Post Delete Post Print Post

Ahh, heat shield. I'll check that out. So im guessing new cats + O2 sensors = the selling of a kidney. Let me ask this, does it harm anything to keep driving it if it is the catalytic converters? Thanks again.
 

Christopher Boese (Christopher)
Member
Username: Christopher

Post Number: 236
Registered: 10-2002
Posted on Friday, December 12, 2003 - 05:12 pm:   Edit Post Delete Post Print Post

Sorry for the potentially bad news, Robin, but my '95 made the same noises and it was one of the converters. The baffles come loose. Don't forget that Emissions Warranty!
 

Christopher Boese (Christopher)
Member
Username: Christopher

Post Number: 237
Registered: 10-2002
Posted on Friday, December 12, 2003 - 05:14 pm:   Edit Post Delete Post Print Post

PS - OBD is the Federally-mandated Onboard Diagnostics processor and interface. All Land Rovers '96 and after have OBDII.
 

Pugsly (Pugsly)
Member
Username: Pugsly

Post Number: 243
Registered: 11-2002
Posted on Sunday, December 14, 2003 - 04:48 pm:   Edit Post Delete Post Print Post

Yes, oxygen sensors are important for more than just emissions.

The computer uses the oxygen sensors to lean the engine, and if it is not getting a good reading then it will run the engine overly rich (because running too lean will damage the engine). Good oxygen sensors can definitely increase your mileage.
 

Tbow (Tbow)
Member
Username: Tbow

Post Number: 158
Registered: 12-2002
Posted on Sunday, December 14, 2003 - 10:07 pm:   Edit Post Delete Post Print Post

Kind of a FYI.. Everything after 1996 has to be OBDII compliant. 95 and older are OBDI compliant. There are universal cats available for both. The OBDII cats usually run about 200 to 250 installed and the OBDI universal cats usually run 89 to 150 installed.

Can you us a OBDI universal cat on a OBDII vehicle. Legally no.. But I've seen them used with mixed results. The wrong cats MIGHT cause the "check engine" light to come on. I stress MIGHT because it doesn't happen everytime.

Good luck..
 

charles pastrano (Charles)
Senior Member
Username: Charles

Post Number: 339
Registered: 08-2002
Posted on Sunday, December 14, 2003 - 11:02 pm:   Edit Post Delete Post Print Post

You dont have to replace o2 sensors when replacing your cats. You can replace with catco. $150 installed. Jesse Cielo buy house can do yours if you need one. I didnt need to change out o2 sensors.

Topics | Last Day | Last Week | Tree View | Search | User List | Help/Instructions | Program Credits Administration