Your Mustang's camshaft position sensor does pretty much exactly what it's name implies. It relays the position of your Mustang's camshaft to the computer. Information such as engine speed and engine cycle position are pulled from the camshaft position sensor. It is a quality performance replacement & fits 2001-2004 Mustang 3.8L & 3.9L V6.
Some symptoms of your Mustang's camshaft position sensor failing are: engine dying at random, check engine light coming on, engine will turn over but not start, or dying at stops.