F 150 Heritage 4WD Pickup V8-5.4L CNG VIN M (2004)
Crankshaft Position Sensor: Service and Repair
CRANKSHAFT POSITION (CKP) SENSOR
REMOVAL
1. Disconnect the battery ground cable.
2. Remove the accessory drive belt from the A/C compressor pulley.
3. Raise and support the vehicle.
4. Disconnect the A/C compressor field coil electrical connector.
5. Disconnect the crankshaft position (CKP) sensor electrical connector.
6. NOTE: It is not necessary to remove the A/C compressor bolts.