2000 Chevy Blazer V6 4WD P0420

Question

P0420 2000 Chevy Blazer V6 4WD, What is the code definition?

Answer 1

HI there

This code is a catalytic converter code on bank 1 of the engine. Most of the time the problem is the converter itself, but other things can cause the code. Here is some more info on the code for you.

P0420 CHEVROLET - Catalyst System Low Efficiency Bank 1

Read more: https://www.autocodes.com/p0420_chevrolet.html