i am getting p0170 and p0171 fuel trim malfunction bank 1. p0170 is a pending code. what is the cause of the p0171. is that o2? thanks for your time and response.

 

 

i have a honda civic 1999 (b16c dohc engine) manual trans. 4 doors. obd2, i really don't know much about cars, but i just got the check engine light on
and i run the code machine and it gave me the codes

p0170 and p0172 please i don't know what that means

i read something about rich fuel and O2 censor but i don't know
what or where is located the bank 1

i will change the o2 censor

that's all i will try to do.

please help hhhheeeeellllppppp!!!!!!!!!!!!!!!!!!!!!!!!!!!!