camry problem

Question

Hi I a 2007 camry ce and it keeps showing code per 72 it's ccomes and go can you be able to help me about this problem

Answer 1

There is a list of things to check 

 

oxygen sensors (air to fuel ratio sensors) bank 1 sensor 1

you can try to clean the mass air flow sensor with mass air flow sensor cleaner

and see other things to check below