Question

2005 Chevrolet Express 4.8L with engine code P0059, what is the meaning?

Answer 1

HI there

This code is for the heater resistance in the O2 senor, Sensor location is bank 2 sensor #1. This is the first O2 sensor on bank 2 before the catalytic converter and typically the issue is the O2 sensor itself.

Answer 2

P0059 CHEVROLET - HO2S Heater Resistance Bank 2 Sensor 1

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