2011 Mazda Mazda2 Q&A

2011 Mazda Mazda2 Question: Codes P0140 and P0171, engine lamp is ON.

My Mazda 2 2011 (skyactive, istop) is showing fault codes P0140 and P0171 when diagnosed. P0140 - O2 Sensor Circuit No activity detected( Bank 1 sensor 2) P0171 - System too Lean (Bank 1) -
Answer 1
should be under dealer warranty -