Ok so for starters I have a 96 4x4 ohv 4.0.
Now I've done my fair share of work to my 2wd 4.0 96 but this 4x4 seems to hate me! First codes read p0133 bank 1 sensor 1 p0401 and p0420 bank 1 . My lower intake was leaking antifreeze so i pull it all the way to the heads compression tested...