2000 honda civic ex catalytic converter and or o2 sensor messed up... anyway to tell

Sean

New member
which one?
not all that car savvy... advanced auto did a diagnostic due to the check engine light... his check said that it could be either or, no way to tell, seeing as how a new converter could cost a pretty penny, trying to figure out which one... this might also help there was some water damage about a month ago in which the engine siezed runs now except for the echeck engine and should mention gas mileage has gone down considerably... thanks in advance
not all that car savvy... advanced auto did a diagnostic due to the check engine light... his check said that it could be either or, no way to tell, seeing as how a new converter could cost a pretty penny, trying to figure out which one... this might also help there was some water damage about a month ago in which the engine siezed runs now except for the echeck engine and should mention gas mileage has gone down considerably... thanks in advance
no noticable change in acceleration
 
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