Changed battery and now the catalytic converter, o2, and 02 heater monitor will not reset.
Thursday, September 20th, 2018 AT 2:58 PM
1 Reply
ASEMASTER6371
MECHANIC
52,797 POSTS
Good afternoon.
Drive cycle is a very specific way the truck has to be driven in order for the monitors to run and pass. I attached the drive cycle below for you to follow.