How many O2 sensors are there in a Ford 2002 F150 4.6?
The below answer can not be correct, because I just changed out my passenger side cat and the cat it self has an 02 sensor on it. So I do not know if there are three or four but I do know there is one on my cat.
We are getting ready to change ours and I'm almost positive that there are two front ones (on each manifold) and one after the cat. The front two are heated, make sure you get the correct ones, the back one is not heated. So to answer, there is 3 total o2 sensors.
Ford f150 o2 sensor bank1 or 2 i have a 99 v6 auto. code says bank1 and bank2 and maf sensor. are there any o2 sensors on the engine .and how many o2 sensors are there..thanks pete?
As far as I know there is 2 02 sensors if you look into the wheel well with the tires turned you can see them just to the back of the manifolds. They should be pointing straight up. I just replaced the o2 sensors in my 98 and there was 2. It may depend on if you have standard or CA/MA emissions. My truck has one with standard emissions. The same truck in CA or…