Wow.I just got done replacing my bank 1 catalytic converter to get rid of the P0420 code on my 97 Pathy and now I get a 174 code on Bank 2.Literally the next day. I've done some searching and it sounds like the MAF sensor or an 02 sensor.I've also read it can be a vacuum leak. Can someone point me in the right direction so I can drive this truck without having the CEL on?
Thanks
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