Is your 94-04 Mustang hard to start or idling rough? Get replacement throttle position sensors today at 5.0 Resto. Your Mustang's throttle position sensor (tps) tells the computer where your throttle blade is to calculate the proper parameters to keep your engine running efficiently. When these go out, you can experience starting, idling, and driving problems. Don't let the problem get worse, order your replacement today for your 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, and 2004 Mustangs Fox Body Mustang.