i have p1273 twice , im no mechanic but want to fix my self what can i do

Question

My car had the shifttronic tranny

Answer 1

To fix the problem you probably have to replaced the Faulty Air fuel ratio (A/F) sensor 1 Bank 1

P1273 NISSAN - Air Fuel Ratio Sensor 1 Lean Shift Monitoring Bank 1

Read more: https://www.autocodes.com/p1273_nissan.html

Location of the sensors here: http://nissanhelp.com/diy/maxima/projects/2004_2006_nissan_maxima_o2_sensor_location.php