Oxygen Sensor and Cat
#1
Oxygen Sensor and Cat
I just recently received a few codes on my 2007 F150 5.4 that only pertained to the oxygen sensors. I drove a few days with the check engine light on and had loss of power. I stopped driving and changed oxygen sensors. Drives better, but I have noticed a guttering sound and am getting a cylinder 1 misfire. Is my passenger side cat clogged or is it something beyond that?
#2