Why wont my ford expedition idle at a stop, ive changed all o2 senors plugs, AND IT STILL WILL NOT IDLE?

Why wont my ford expedition idle at a stop, ive changed all o2 senors plugs, AND IT STILL WILL NOT IDLE?

Read more: Why wont my ford expedition idle at a stop, ive changed all o2 senors plugs, AND IT STILL WILL NOT IDLE?