The sensor on a 1998 Ford F150 4x2 is on the rear differential. The 1998 was rear wheel ABS only so don't bother looking for any front sensors.
how do I disable computer on Ford 150 1998
On a 2004 Ford F150, the vehicle speed sensor is located on the driveshaft of the transmission. Some models of 2004 Ford F150s use an ABS sensor instead of a vehicle speed sensor.
fuel pressure sensor is located on the tank
on the top of the differential
its located at the rear drive axle
forward of the firewall
ford speed sensor is located on front of differential. speed ring is inside diff housing
An auto xray scanner can determine if a O2 sensor is bad.
Speed Sensor The sensor is located on the rear axle housing.
where is the CHT sensor on a 2000 ford F150 where is the CHT sensor on a 2000 ford F150
The vehicle speed sensor is on the transmission. The ABS speed sensor is on the differential.
The vacuum diagram for a 1998 Ford F150 is located in the service manual. It details how each vacuum line is routed, where the line is attached, and its function.