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catalytic converter - direct fit. 2000 F150 ? #4611119
12/22/17 11:53 AM
12/22/17 11:53 AM
Joined: Aug 2014
Posts: 412
Florida
lawnguy Offline OP
lawnguy  Offline OP

Joined: Aug 2014
Posts: 412
Florida
My truck has 110k miles on it,and I was thinking I should consider replacing my catalytic converters. What is the best bang for the buck in price direct fit. cats,and possibly horsepower adv ?

Re: catalytic converter - direct fit. 2000 F150 ? [Re: lawnguy] #4611124
12/22/17 11:59 AM
12/22/17 11:59 AM
Joined: Oct 2014
Posts: 13,305
Canyon County Idaho
CT8 Offline
CT8  Offline

Joined: Oct 2014
Posts: 13,305
Canyon County Idaho
Is there a problem with the cat?


2015 Ford F150 2.7
2018 Ford F350 6.2
Re: catalytic converter - direct fit. 2000 F150 ? [Re: lawnguy] #4611152
12/22/17 12:24 PM
12/22/17 12:24 PM
Joined: Dec 2005
Posts: 10,916
Upper Midwest
kschachn Offline
kschachn  Offline

Joined: Dec 2005
Posts: 10,916
Upper Midwest
Originally Posted By: lawnguy
My truck has 110k miles on it,and I was thinking I should consider replacing my catalytic converters. What is the best bang for the buck in price direct fit. cats,and possibly horsepower adv ?

As CT8 already asked, is there a documented problem with the current one that it needs replacing already? I've got nearly 400K on my Sienna and I'm not throwing any CEL codes or anything. If yours has failed at only 110K then that is unusual in my opinion.


1994 BMW 530i, 241K
1996 Honda Accord, 267K
1999 Toyota Sienna, 409K
2000 Toyota ECHO, 280K
Re: catalytic converter - direct fit. 2000 F150 ? [Re: lawnguy] #4611163
12/22/17 12:30 PM
12/22/17 12:30 PM
Joined: Sep 2016
Posts: 525
Fairfax, VA
TinyVoices Offline
TinyVoices  Offline

Joined: Sep 2016
Posts: 525
Fairfax, VA
Seems like a pretty premature failure. I have the OEM cat in my mr2 from 25 years ago with 160k miles on it and it passess emissions with flying colors still. My previous VW had 250k on it with the OEM cat and had no issues either.


2010 Mazda RX8 Sport - 37k miles - ????
2006 Toyota Matrix XR AWD (Wife) - 130k miles - Valvoline Max Life 5w30
Re: catalytic converter - direct fit. 2000 F150 ? [Re: lawnguy] #4611172
12/22/17 12:37 PM
12/22/17 12:37 PM
Joined: Nov 2008
Posts: 13,165
NH
supton Offline
supton  Offline

Joined: Nov 2008
Posts: 13,165
NH
I don't think you have emissions checking in FL. Not condoning removal, but...

I don't know when, but at some point, I think in the 90's, catalytic convertors stopped being "big" horsepower sucking devices. Not only that but it's probably only worth a few hp at best.

If it's not failed, then I'd leave it alone.


2011 Toyota Camry, base, 2.5L/6MT, 179k, hers
2010 Toyota Tundra DC, 4.6L/6AT, 147k, ours
1999 Toyota Camry LE, 2.2L/4AT, 203k, his
Re: catalytic converter - direct fit. 2000 F150 ? [Re: supton] #4611176
12/22/17 12:43 PM
12/22/17 12:43 PM
Joined: Dec 2016
Posts: 8,017
Waco, TX
Linctex Offline
Linctex  Offline

Joined: Dec 2016
Posts: 8,017
Waco, TX
Originally Posted By: supton

If it's not failed, then I'd leave it alone.


Yes, agree. Only replace if it must be replaced.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: catalytic converter - direct fit. 2000 F150 ? [Re: lawnguy] #4611179
12/22/17 12:45 PM
12/22/17 12:45 PM
Joined: Jun 2003
Posts: 18,419
Deplorable in apple valley, ca
Chris142 Online content
Chris142  Online Content

Joined: Jun 2003
Posts: 18,419
Deplorable in apple valley, ca
No need to replace cats unless damaged or throwing a cat code.


02 Wrangler carlube 5w30
87 F250 traveler 15w40
07 fjcruiser Chevron 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor 15w40
Re: catalytic converter - direct fit. 2000 F150 ? [Re: lawnguy] #4611183
12/22/17 12:50 PM
12/22/17 12:50 PM
Joined: Aug 2014
Posts: 412
Florida
lawnguy Offline OP
lawnguy  Offline OP

Joined: Aug 2014
Posts: 412
Florida
Never had it checked or examined. I just thought at 100k miles it would go bad by now.

Re: catalytic converter - direct fit. 2000 F150 ? [Re: lawnguy] #4611184
12/22/17 12:53 PM
12/22/17 12:53 PM
Joined: Aug 2008
Posts: 2,376
Cali
Malo83 Offline
Malo83  Offline

Joined: Aug 2008
Posts: 2,376
Cali
If you do, go Magnaflow Cheers2

Re: catalytic converter - direct fit. 2000 F150 ? [Re: lawnguy] #4611193
12/22/17 12:59 PM
12/22/17 12:59 PM
Joined: Nov 2008
Posts: 13,165
NH
supton Offline
supton  Offline

Joined: Nov 2008
Posts: 13,165
NH
Originally Posted By: lawnguy
Never had it checked or examined. I just thought at 100k miles it would go bad by now.


I would have agreed with you, in a different age. Maybe if it was a carb motor, or you knew for a fact that the motor had been run for a long time with a bad O2 sensor. Failing any good reason though, it's best to wait for it to go. Because when it goes it really doesn't do anything bad--it's not like proactive replacement would prevent a roadside repair. In this case, when it goes bad, you drive it until it's a good time to replace.


2011 Toyota Camry, base, 2.5L/6MT, 179k, hers
2010 Toyota Tundra DC, 4.6L/6AT, 147k, ours
1999 Toyota Camry LE, 2.2L/4AT, 203k, his
Re: catalytic converter - direct fit. 2000 F150 ? [Re: lawnguy] #4611195
12/22/17 01:01 PM
12/22/17 01:01 PM
Joined: Sep 2015
Posts: 6,172
Kalifornia Kollective
BrocLuno Offline
BrocLuno  Offline

Joined: Sep 2015
Posts: 6,172
Kalifornia Kollective
If it is not ash capped from oil burning (any consumtion?), they last a lot longer than that ...

If you bang on the side of it with you hand, does it rattle (internals loose). If not, don't worry and drive on smile


Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.
Re: catalytic converter - direct fit. 2000 F150 ? [Re: lawnguy] #4611196
12/22/17 01:01 PM
12/22/17 01:01 PM
Joined: Apr 2012
Posts: 6,290
MA
Wolf359 Online content
Wolf359  Online Content

Joined: Apr 2012
Posts: 6,290
MA
I would consider replacing just the upstream O2 sensors before I'd consider replacing catalytic converters. If you have an error code, then you replace them. You don't replace them for preventative maintenance. As others said, they can last 200-400k or more. Also factory cats are better than aftermarkets. The EPA figures that by the time you need aftermarket cats, the car is probably pretty close to be shot anyway so they're just required to last 5 years and they not made as sturdy or have as much platinum as OEM which could last 15-20 years. If you have a Pzev car, emissions is supposed to be good for 15 years/150k miles. It's the downstream O2 sensors which basically tells you that the cats are shot. Basically if the upstream and the downstream O2 sensors have the same value that means the cats aren't doing anything. The downstream ones don't really do much so they last a lot longer so normally you just replace the upstream ones.

Re: catalytic converter - direct fit. 2000 F150 ? [Re: supton] #4611203
12/22/17 01:07 PM
12/22/17 01:07 PM
Joined: Aug 2010
Posts: 6,231
Champlain/Hudson Valley
Kira Offline
Kira  Offline

Joined: Aug 2010
Posts: 6,231
Champlain/Hudson Valley
My pal has a 1997 F-150 (4.6l V-8) with <70K and his rotted away from the outside.

In his case I'd believe it was a bad run of stainless steel or whatever cats are made from.

He found a replacement from a donor truck (crashed) of similar age.

Even with all the things I've done with him ON THAT TRUCK I haven't seen these bad cats. He did say the metal can't take a repair. He can weld and has friends who can weld better so I ASSUME the metal might have been made extra thin for the '97's.

I don't know.

Re: catalytic converter - direct fit. 2000 F150 ? [Re: lawnguy] #4611532
12/22/17 06:50 PM
12/22/17 06:50 PM
Joined: Mar 2008
Posts: 7,902
USA
slacktide_bitog Offline
slacktide_bitog  Offline

Joined: Mar 2008
Posts: 7,902
USA
There is usually no need to replace the cat unless you get a P0420 code and you live somewhere they have inspection.

If you do replace it, get Walker or Eastern. And replace the oxygen sensors along with it.

Re: catalytic converter - direct fit. 2000 F150 ? [Re: lawnguy] #4611655
12/22/17 09:21 PM
12/22/17 09:21 PM
Joined: Jan 2011
Posts: 2,938
N.Ohio
Lubener Offline
Lubener  Offline

Joined: Jan 2011
Posts: 2,938
N.Ohio
A failed cat is usually a symptom(result) of an engine fault. With a good burning engine, the cat should just about last the life of the vehicle.100k is nothing unless your engine is in bad shape


The "thinking" man's friend.
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