I can't tell witch 02 sensor I need

Question

Were is this sensor located on the vehicle it's a v6 2001 isuzu trooperI can't tell witch 02 sensor I need 0402 bank1 for my 2001 isuzu trooper

Answer 1

Hi there,

This code is for an issue with the EGR valve and not the O2 sensor. It indicates the EGR is not functioning when the computer calls for it. In many cases the problem is a result of a plugged EGR tube.