Camshaft Position Sensor
WARNING: This page is about a different car, the 2003 Ford Pickup, 2003 Ford F550 Super Duty, 2003 Ford F450 Super Duty, 2003 Ford Excursion, and 2003 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
Camshaft Position (CMP) sensor is used for timing pulsing of fuel injectors. CMP sensor signal is also used by Powertrain Control Module (PCM) to determine firing of spark plugs. See CAMSHAFT POSITION SENSOR under SENSORS & SWITCHES.