2002 Infiniti QX4 with code p0158

Question

2002 Infiniti QX4 Which o2 sensor is faulty if I have "p0158" engine code?

Answer 1

Hi there,

This code is for the driver side of the engine and sensor #2. So this is the O2 sensor after the catalytic converter on the driver side of the engine.

Answer 2

P0158 INFINITI - HO2S22 Circuit High Voltage
Read more: https://www.autocodes.com/p0158_infiniti.html