RX - 1st Gen (1999-2003) Discussion topics related to the 1999 -2003 RX300 models

catalytic converter code popped up...now what...

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Old 07-06-09, 07:15 AM
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UNOHOO
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Default catalytic converter code popped up...now what...

dont remember the actual code that popped up but it had something to do with the catalytic converter, could a hole in the flex pipe cause a code like this? whats a good course of action for finding a hole if thats the problem? if its not a hole and its blockage or something in the cat what are my options for fixing it without replacing it?
Old 07-06-09, 08:08 AM
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thomas1
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Yes, because It would lean the fuel mixture in the exhaust gasses....
Old 07-06-09, 08:54 AM
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Lexmex
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Was it P0420?

That can occur for a variety of reasons:

Bad intake air
Bad gas
Bad combustion

Are you still getting this code or was it a one time affair?

Also take a look at that gasket in front of the cat.
Old 07-06-09, 09:35 AM
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not sure which code it was, ill tell her to drop by autozone and get the code read again, doesnt seem to be any performance difference, of course i dont drive it anymore so who knows!
Old 07-06-09, 09:52 AM
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ill see if i can get a look at that gasket to see if theres anything coming out of it and then do an update
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