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#4664660 - 02/13/18 09:57 AM Most miles you had on a catalytic converter?
boom10ful Offline


Registered: 01/17/17
Posts: 136
Loc: California
My truck has 243k miles and is still on the original cats. How have yours faired?

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#4664663 - 02/13/18 09:59 AM Re: Most miles you had on a catalytic converter? [Re: boom10ful]
BrocLuno Offline


Registered: 09/06/15
Posts: 5687
Loc: Kalifornia Kollective
Volvo 242T over 300,000 smile
_________________________
Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.

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#4664665 - 02/13/18 10:00 AM Re: Most miles you had on a catalytic converter? [Re: boom10ful]
ZZman Offline


Registered: 03/17/08
Posts: 5902
Loc: Michigan
165,000
_________________________
2003 Mercury Grand Marquis. Rotella T6 Multi-Vehicle oil
2008 Sebring Hardtop convertible. Rotella T6 Multi-Vehicle oil
2006 Kawasaki Vulcan 900 LT. Amsoil Metric 10w-40

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#4664670 - 02/13/18 10:03 AM Re: Most miles you had on a catalytic converter? [Re: boom10ful]
WyrTwister Offline


Registered: 01/13/13
Posts: 1692
Loc: Texas
I have never replaced a cat . May have been instances when I might have needed to ?
_________________________
Wyr
God bless

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#4664676 - 02/13/18 10:08 AM Re: Most miles you had on a catalytic converter? [Re: boom10ful]
demarpaint Offline


Registered: 07/03/05
Posts: 30147
Loc: NY
I don't ever recall needing to replace one.
_________________________
God Bless Our Troops


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#4664683 - 02/13/18 10:16 AM Re: Most miles you had on a catalytic converter? [Re: boom10ful]
mightymousetech Offline


Registered: 04/03/17
Posts: 1480
Loc: Ontario, Canada
Cats don't really wear out. They get killed by oil/coolant/fuel contamination.


Edited by mightymousetech (02/13/18 10:18 AM)
_________________________
Mighty Mouse Tech
BMW Tech, Former Acura Tech
2010 Civic Si Castrol 0W40, Redline MTL
2013 BMW 135i M Sport Edition Castrol 0W40, Redline MTL

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#4664685 - 02/13/18 10:17 AM Re: Most miles you had on a catalytic converter? [Re: boom10ful]
khittner Offline


Registered: 07/13/12
Posts: 344
Loc: Michigan
266K on my 02 Camry's original cats. Given the car's current oil use (1K miles/qt.), though, they may be living on borrowed time.


Edited by khittner (02/13/18 10:17 AM)

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#4664691 - 02/13/18 10:20 AM Re: Most miles you had on a catalytic converter? [Re: boom10ful]
javacontour Offline


Registered: 06/26/03
Posts: 10386
Loc: Illinois
277k on our 02 Camry when we traded it.

It would pop the P0420 code every so often, then it would go away. No testing in my locale.
_________________________
network down, IP packets delivered via UPS -BOFH

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#4664692 - 02/13/18 10:20 AM Re: Most miles you had on a catalytic converter? [Re: boom10ful]
Leo99 Offline


Registered: 03/30/14
Posts: 3149
Loc: NJ
350,000 miles on the Rav4.
_________________________
Without data you're just another person with an opinion. W. E. Deming

2003 Corolla 250,000 miles
2004 Rav4 359,000 miles
2015 Camry 59,000 miles

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#4664716 - 02/13/18 10:49 AM Re: Most miles you had on a catalytic converter? [Re: boom10ful]
zzyzzx Offline


Registered: 05/18/12
Posts: 4427
Loc: Baltimore, Maryland, USA
Over 245K on my 1995 Escort and still going!

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#4664722 - 02/13/18 10:59 AM Re: Most miles you had on a catalytic converter? [Re: boom10ful]
kschachn Offline


Registered: 12/26/05
Posts: 9654
Loc: Upper Midwest
All of the vehicles in my sig have the original converters, but the BMW is OBDI so I really don't know if those are working or not. I've seen inside them and they are still intact and haven't overheated or anything, so I'm guessing they are.
_________________________
1994 BMW 530i, 228K
1996 Honda Accord, 263K
1999 Toyota Sienna, 398K
2000 Toyota ECHO, 267K

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#4664731 - 02/13/18 11:11 AM Re: Most miles you had on a catalytic converter? [Re: boom10ful]
FordCapriDriver Online   content


Registered: 10/22/15
Posts: 2512
Loc: Balearic Islands , Spain
Nearing 120k on my Peugeot 106, original cat from 1999
_________________________
1975 Ford Capri II Ghia 3000 V6, - Shell Helix HX3 20W-50 w/ 20% Rimula R4X 15W-40 HDEO.

1988 Ford Escort Mk4 Xr3i Cabrio, - Shell Rimula R4X 15W-40, w/ 30% Helix 3 20W-50.

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#4664736 - 02/13/18 11:22 AM Re: Most miles you had on a catalytic converter? [Re: boom10ful]
Nick1994 Offline


Registered: 02/19/13
Posts: 10442
Loc: Phoenix, AZ
227k on my Camry's cat.

I had the one on my Jeep replaced last year, it was broken inside and rattling around. It was dented on the bottom so I bottomed it out off-road at some point that probably broke it.
_________________________
2015 Hyundai Sonata 2.4L 82k Mobil 1 AFE 0w30 & OEM
2000 Toyota Camry 2.2L 229k Valvoline 5w30 & Fram Ultra
1996 Jeep Cherokee 4.0L 146k Mobil 1 HM 10w40 & Fram Ultra

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#4664742 - 02/13/18 11:34 AM Re: Most miles you had on a catalytic converter? [Re: boom10ful]
Whimsey Offline


Registered: 12/22/02
Posts: 4103
Loc: The Garden State
Least Miles: 70,000 on a 2002 F-150. The factory cat rusted and leaked fumes into the cab last winter, it was "fun" crzy .

Whimsey

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#4664754 - 02/13/18 11:52 AM Re: Most miles you had on a catalytic converter? [Re: boom10ful]
andyd Offline


Registered: 09/25/04
Posts: 7431
Loc: Marshfield , MA
350 k on a 528e
_________________________
'16 Camry LE STP synth 0w20 and STP filter. the Fridge

1994 Ranger ,the Rat, 5w30 dino, STP filter

'16 Camry SE, Valvoline HM 0w20 and OEM filter
Thick oil is better grin2

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