P1133 CHEVROLET -

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Carguy1 · Answer 1 · 2019-03-25T21:13:47+0000

Hi there,

This code indicates an issue with the O2 sensor bank 1 sensor 1. Here is some info for you.

P1133 CHEVROLET - HO2S Insufficient Switching Bank 1 Sensor 1

Read more: https://www.autocodes.com/p1133_chevrolet.html