My Chilton repair manual engine wiring schematic, for the 1996 Ford Explorer with a 4.0 L OHV engine shows 3 . Two are upstream (before the catalytic convertor) and one downstream (after the catalytic convertor - which is an oxygen sensor but is used to monitor the efficiency of the catalytic convertor)
two
( 2 ) oxygen sensors ( I BELIEVE they are in the outlet areas of the exhaust manifolds )
4 ======================================================= The above answer is correct if you have the 5.0 liter V8 engine in your 1996 Ford Explorer , but if you have the 4.0 liter EFI , V6 engine ( VIN " X " ) there are ( 3 oxygen sensors )
4
2
I have a 1996 cadillac deville concours, an it has 4 oxygen sensors
On a 1995 Ford Explorer : There are ( 2 ) oxygen sensors ( I believe there is one sensor in the outlet of each exhaust manifold )
there are 4 o2 sensors
3
My 1995 Ford Explorer with 4.0 L OHV has 2 oxygen sensors (Helpfull)
There are 2 oxygen sensors.
3