2006 Honda Pilot the engine code P2631 keeps coming ON

Question

I replace all sensors and code p2631 keeps coming on what could it be I notice the flex pipe needs to be replaced could a leak cause this code to keep coming on

Answer 1

P2631 Front A/F sensor (Bank 2 Sensor 1) Circuit high voltage

This code would not be the flex pipe, what this code represent is a disconnection of the A/F sensor on Bank 2, check for a open connection of poor connection along the harness.

Answer 2

P2631 HONDA Code - Air/Fuel Ratio Sensor Bank 2 Sensor 1 Circuit High Voltage
Read more: https://www.autocodes.com/p2631_honda.html