Question

On my 2002 Ford Explorer, what do I need to do to fix the P1152 code problem?

Answer 1

Hi there

In most cases, the bank 2 #1 is the cause of the issue. The code is basically saying the O2 sensor isn't switching. Here is some more info on it for you.

P1152 FORD - Lack of Upstream Heated Oxygen Sensor Switch Sensor Indicates Rich Bank 2
Read more: https://www.autocodes.com/p1152_ford.html