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My car (1996 Firebird w/ 123k miles) would start bogging down after it warmed up especially after 3k rpm and has progressively worsened. I have an ses light with the P0147 which is a code for the post catalytic o2 sensor. i replaced the sensor and car is still running the same. could this be telling me that i need a new catalytic converter. its not glowing red and i dont think i hear it rattling but its the only thing i can think of. does this code sometimes indicate this. Thanks for your help
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Re: Catalytic Converter?
sounds like the cat is clogged -
Re: Catalytic Converter?
Is there anyway i could test it before i pay someone to install one. a friend also told be to bang on it a couple of times to loosen up any clogs but i dont want to start any other problemsComment
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Re: Catalytic Converter?
you could test the exhaust pressure before the cat. I think if its over 3 psi the cat is clogged.
Require drilling a small hole in the exhaust pipe before the cat and sticking the tool in there. thats one way I know.Comment
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