2002 Mazda Millenia 2.5L, light on code P0431 warm up catalyst below threshold (bank 2)

Question

2002 Mazda Millenia 2.5 Liter engine light on code P0431 warm up catalyst below threshold (bank 2)

Answer 1

This code is for the converter on bank 2 right off the manifold.This is the bank closest to the radiator.

Answer 2

P0431 MAZDA - Warm Up Catalyst System LH Efficiency Below Threshold

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