P0134 acura rsx 04 type s

Question

just need to now witch sensor it is and where it is. I get the error code P0134 indicates that the bank1, sensor 1 02 electrical circuit had no activity for a predetermined period of time. check engine light goes on off every 50 miles or so.

Answer 1

P134 A/F sensor 1 signal stuck lean lean Bank 1 

This is the upstream sensor