2001 infinity code 1148 1 of 1

Question

I have a infinity qx4 year 2001 check engine light on code p1148 1 0f 1 . what should i do for repair?

Answer 1

Hi there,

Most often you would need to replace the front O2 sensor on bank 1. This is the passenger side on this vehicle. I would use a scan tool to monitor the O2 sensors to determine which bank sensor is causing the code however.