89 5.0 has 2, o2 sensors.
There are four.
There are two.
That engine has 2 of them.
Two
According to fordparts.com the 1989 Ford Mustang GT has ( 1 ) oxygen sensor
any car after 1995 has two, or four oxygen sensors,as they use OBDII system
there are 2 pre and two after
There are two oxygen sensors in a 2003 Sonoma V6 with a 4.3 liter. Prices for the sensors start at $69.95.
The 5.0 liter V8 has ( 4 ) oxygen sensors The 4.0 liter EFI ( which is an over head valve / pushrod design ) has ( 3 ) oxygen sensors Note: The 2 upstream oxygen sensors are used for adjusting the air / fuel ratio of the engine , the other oxygen sensor (s) are called catalyst monitors and monitor the performance of the catalytic converter(s)
There is one and it is before the catalytic converter.
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 )
This model accord has two oxygen sensors, when in the front in the motor and one under the passenger seat and both can be pretty costly about 100 apiece..