My Sentra Nissan 2.0L does nor complete O2 sensor monitor, but it doesn´t have any trouble codes and machine works fine
JA: Have you located all of the vehicle's oxygen sensors? Are the wires leading to and from each intact and in good shape?
Customer: Yes, mexican version only has two sensors, one after and the other before catalyst. All wires looks good
JA: What year is your Sentra?
JA: Are you fixing your Sentra yourself? What have you tried so far?
Customer: I scanned with a elm adapter and my smartphone, I checked all wires visually
JA: Anything else you want the mechanic to know before I connect you?
Customer: I took to the dealer and they recomend wash the acceleration chamber, change spark plugs
and clean fuel injectors
, but they are not sure all that things assure my car complete that monitor.