What is code P0156 for Suzuki 2000 Grand Vitara

Question

service engine soon light; ODBII code did not return for a Suzuki... only other makes; Autoparts guy said it was one of 2 oxygen sensors, but he was not sure which one.

Answer 1

HI there,

This is the O2 sensor after the converter on the driver side exhaust pipe. You can actually see it from under the hood or through the wheel well