P0420 code

Aug 04, 2007 0 Replies

This code was noted as 'BANK 1 CATALYST EFFICIENCY'. My local Lexus specialist quoted me $2610.08 for front bank 1 and rear catalytic converters. If the code refers to bank 1 why would I have to replace the rear converter? Does this seem like a fair quote?


2002 Lexus GS300.

Join the Discussion

Have something to add? Share your thoughts — no account required.

Didn't find your answer?

Ask the community — no account required