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CAT question

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4 years 5 months ago #35167 by John Curtis
CAT question was created by John Curtis
Have a 98 suburban 280 + on the chassis. The cat is plugged and I'm not finding any evidence of what caused it to fail. I always assumed that CATs are killed and they don't just die...

Is it possible that it died from age/milage? Or do I need to continue looking for what killed it?
Making Pressure Differential Sensors (PDA Sensors) for pressure pulse diagnostics.
Currently servicing Central Texas.

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4 years 5 months ago #35176 by Andy.MacFadyen
Replied by Andy.MacFadyen on topic CAT question
Depends how much history you know on the vehicle, one serious backfire can plug a cat or one flooding with fuel.
" We're trying to plug a hole in the universe, what are you doing ?. "
(Walter Bishop Fringe TV show)

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4 years 4 months ago #35765 by John Curtis
Replied by John Curtis on topic CAT question
Update.
I didn't really have much vehicle history other than knowing it was bought at an auction after being rear ended (used car dealer)
Without finding anything mechanical to kill the cat, I replaced it. With the old Cat off I took a look inside and it was broken up inside. It's been shipped.
Making Pressure Differential Sensors (PDA Sensors) for pressure pulse diagnostics.
Currently servicing Central Texas.

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