GX - 2nd Gen (2010-2023) Discussion topics related to the 2010 + GX460 models

2016 GX460 Catalytic Converter

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Old 07-21-24, 05:23 AM
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CeCe
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Default 2016 GX460 Catalytic Converter

My bank 2 cat has died. Took it to a shop and they told me my engine would need to be lifted and a bumper removed to get to it- quoted about 7 hours labor. My neighbor looked under my vehicle and said it was in plain view and there is no reason for all that work. Anyone have insight? I’m a grandma with no mechanical experience.
Old 07-21-24, 10:13 AM
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Acrad
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If they are the cats down below vehicle that should be relatively easy but if they are the integrated cats attached to the exhaust manifolds that is comparably a lot more work.





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John00 (07-21-24)
Old 07-21-24, 10:21 AM
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John00
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surely there will be comments not to do this but often people will gut the cat.
they might say how it can cause damage to the o2 sensors, less backpressure, cant pass emissions, illegal, etc.
just something to look into for educational purposes only.

if i knew more i would think that a long screwdriver, a hammer, a wrench and a shop vac are all that are needed.
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CeCe (07-22-24)
Old 07-22-24, 07:35 PM
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mike202
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Originally Posted by John00
surely there will be comments not to do this but often people will gut the cat.
they might say how it can cause damage to the o2 sensors, less backpressure, cant pass emissions, illegal, etc.
just something to look into for educational purposes only.

if i knew more i would think that a long screwdriver, a hammer, a wrench and a shop vac are all that are needed.
I assume the OP has a P0430 CEL code. Doing the above will not solve that problem.

With that said, the 02 output should be checked first to see if they are working.
Old 07-23-24, 11:57 AM
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CeCe
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Originally Posted by mike202
I assume the OP has a P0430 CEL code. Doing the above will not solve that problem.

With that said, the 02 output should be checked first to see if they are working.

I had a diagnostic run. O2 sensors were fine. They could hear the cat making noise. Bought it new in 2017. Seems a bit early for it to go bad.
Old 07-23-24, 12:29 PM
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NewB2Lexus
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Not sure if it applies but...

The federal emissions warranty is a manufacturer's warranty that may apply to certain emissions components in a vehicle if it fails an emissions test due to a manufacturer defect. The warranty covers specific major emission control components for eight years or 80,000 miles, whichever comes first. These components include: Catalytic converters...
Not sure about the mileage but it sounds extremely early, most lasts for the lifetime of the vehicle, well into 200k-s without issues.

Last edited by NewB2Lexus; 07-23-24 at 12:32 PM.
Old 07-24-24, 04:08 PM
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WRD4chano
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Originally Posted by NewB2Lexus
Not sure if it applies but...



Not sure about the mileage but it sounds extremely early, most lasts for the lifetime of the vehicle, well into 200k-s without issues.
praying mine last that long, not in any mood to deal with anymore high cost repairs.

Originally Posted by CeCe
My bank 2 cat has died. Took it to a shop and they told me my engine would need to be lifted and a bumper removed to get to it- quoted about 7 hours labor. My neighbor looked under my vehicle and said it was in plain view and there is no reason for all that work. Anyone have insight? I’m a grandma with no mechanical experience.
are you under 80k or eight years? if so take it to the dealer, cats are free within that limit
Old Today, 06:21 PM
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Cski
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Originally Posted by WRD4chano
praying mine last that long, not in any mood to deal with anymore high cost repairs.



are you under 80k or eight years? if so take it to the dealer, cats are free within that limit
I am at 111K miles. Having it replaced on Thursday. Not happy.
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