Question

2006 Subaru Impreza WRX with engine code P2097; new cat, new rear o2, still getting P2097

Answer 1

P2097 Post catalytic fuel trim system too rich

The front oxygen sensor needs to be check, what affects the rear has alot to do with the fron02 sensor,

Answer 2

P2097 SUBARU Code - Post Catalyst Fuel Trim System Too Rich Bank 1

Read more: https://www.autocodes.com/p2097_subaru.html