P1127 FORD - for F250

Question

I have a problem with my F250 they put the computer and the code is P1127 Exhaust Not Warm, Downstream O2 Sensor Not Tester I wan to know how this problem not turn the check ingen light the still off I wan to know what is nex to fix this problem I NEED HELP please
I have ta change the five oxygen sensor or what I need to do help?

Answer 1

P1127 Heater oxygen sensor not on during self test

This is a self-test code, basically means you did not warm the vehicle up properly, some scan tool has a times that show minutes and when its ready to run a self test,