Just disconnect the wiring and remove the sensor from the air tube and replace with a new one.
You have to take the bolts loose for the ac pump. Slide it as far out of the way as possible. Then pull the sensor out.
There is three sensor, one in the back over the rear end right side. Two in the front behind the front struts from the body to the Aframe.
On the air springs.
mark viis are speed density based not mass air there is no sensor
They are located on the downpipes from the headers.
on the mufflers after the heads
The 1993 Lincoln Mark VIII ABS speed sensor is located on the side of the transmission. The speed sensor should be labeled as such.
check your ride height sensor
ck cam shaft sensor, check crank shaft sensor also.
You have to replace it.
Down by the oil filter.