Where is the throttle position sensor on a 1994 ford van 150?

The throttle position sensor (TPS) on a 1994 Ford van 150 is located on the left hand side of the throttle body. It is typically mounted on the throttle linkage near the throttle butterfly. The TPS is a round, black sensor with two wires connecting to it. It is attached to the throttle linkage by a single bolt.