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2018 130" 3.5 EB
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If you are throwing codes, find a good muffler shop to replace the cats.

I had one shop replace them and they turned out bad in less than a year.

Went with a better shop and they have been running great for a few years.
 

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E450 Wagon
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I would not do that. It could ignite in the turbos.

Turbos should be able to self-clean the cats. You just need to get your EGTs up enough, but doing a good hard mountain drive. Rent a trailer if you need to, or load up pallets of crushed rock from home depot (just take it back afterwards and tell them your spouse changed their mind).
 

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FWIW, there is no such thing as catalyst cleaner as it applies to vehicle cats. If the catalyst is present, it is self-cleaning, that's the basis of its design, purpose and operation.
The only exception would be contamination with lead oxide - which is very hard to do these days. Nothing you can put in fuel that would survive passage through a combustion chamber and/or exposure to combustion gasses can clean or recover a catalytic converter.
 

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E450 Wagon
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DI motors can carbon foul the cats too, if they don't get hot enough to burn it off. The EcoBoost is good at a lot of things, but short-trip low-load driving is not one of them.

Ford tried a catalyst heating in the Maverick, and it's not gone so well. Sometimes it commands that cycle when it shouldn't and owners are reporting cherry-red cats.
 

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2020 High-Extended AWD EcoBoost Cargo with windows
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Not sure how much it applies to these motors... but driving the Sprinter like a bat out of **** cleaned a lot of stuff out of the exhaust system - including keeping the infamous soot box working for ~200K miles. Hard to imagine even acetone being more effective than 800F temps or whatever those units go to at peak heat.
 

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I took a Cat apart one time just to see what was inside it, It is just a long ceramic honeycomb. I put a oxy/acetylene torch up to one end of it and the whole thing turned white hot. So much for my science project, Now it lays on a shelf covered with dust.
 

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I took a Cat apart one time just to see what was inside it, It is just a long ceramic honeycomb. I put a oxy/acetylene torch up to one end of it and the whole thing turned white hot. So much for my science project, Now it lays on a shelf covered with dust.
Put that thing out for the cat-thieves to steal!

The ceramic stuff is the palladium catalyst bit, isn't it? Along with a couple other catalysts... supposed to be worth something as scrap?
 

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Put that thing out for the cat-thieves to steal!

The ceramic stuff is the palladium catalyst bit, isn't it? Along with a couple other catalysts... supposed to be worth something as scrap?
It is not pure palladium, It is mostly ceramic. But yeah it is worth something, That is why I have not tossed it yet. It is a question of who do you sell it to, The scrapyard in town wont take it.
 

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It is not pure palladium, It is mostly ceramic. But yeah it is worth something, That is why I have not tossed it yet. It is a question of who do you sell it to, The scrapyard in town wont take it.
It's not a good idea to cut a cat open and mess with it - palladium is toxic. Nobody is going to take it off you if it's been cut open, needs to go into a specialist toxic waste facility.
 

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It's not a good idea to cut a cat open and mess with it - palladium is toxic. Nobody is going to take it off you if it's been cut open, needs to go into a specialist toxic waste facility.
I was not saving it for recycling, It is just a curiosity sitting on a shelf in my shop. I also have a collection of high voltage capacitors rich in PCBs, It says so right on the warning decals. < The fire dept told me to put them in a sealed plastic bag and throw them out with the regular trash.
It took about ten years for the skin mutations on my legs to go away from working with radioactive materials, Every day exposure for five weeks. Oil field waste.
 
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