2002 Ford Explorer Sport Trac Engine: 4.0L V6; Position: Throttle Body To Intake Manifold;. 2003 Ford Explorer Sport Trac Engine: 4.0L V6; Position: Throttle Body To Intake Manifold;. 2004 Ford Explorer Sport Trac Engine: 4.0L V6; Position: Throttle Body To Intake Manifold;.