2004 Galant 2.4L. Bank 2 location

Question

I have a 2004 Mitsubishi Galant, 2.4L. Is downstream sensor bank 2 located on passenger or driver side. Getting code P0431.

Answer 1

Hi there,

The rear O2 sensor is found on the diver side after the catalytic converter. Here is a diagram for you.

Here is a list of other possible causes for this code.

P0431 MITSUBISHI - Warm Up Catalyst Efficiency Below Threshold- Cylinders 2-3

Read more: https://www.autocodes.com/p0431_mitsubishi.html