Camshaft Position (CMP) sensor — replacement Ford F150

Note: The Camshaft Position (CMP) sensor determines the position of the cylinder for ignition start-up signals and for sequential fuel injection signals to each cylinder. The engine is equipped with four CMPs, one for each camshaft.

Note: On 2.7L models, the CMPs are mounted on the top of the valve covers. On 3.5L turbocharged models, the driver’s side (left) CMPs are mounted on the top of the valve cover at the rear of the engine, and the passenger (right) CMPs are mounted on the rear of the cylinder head. On 3.3L, 3.5L non-turbo and 5.0L models, the CMPs are mounted on the rear of the cylinder heads.

1. On 2.7L and 3.5L turbocharged models, remove the two nuts at the front of the engine cover. Lift up at the front and unhook the retainers at the rear of the cover to remove.

2. On 3.3L Duratec, 3.5L non-turbo and 5.0L models, loosen the wheel lug nuts, raise and support the front of the vehicle on jackstands, then remove the front wheel for the sensor requiring replacement. Remove the inner fender splash shield (see Body).

Locating the CMP sensors on 2.7L models (left [driver’s side] bank shown)

3. On all models, locate and disconnect the electrical connector(s) from the camshaft position sensor(s)

4. Remove the bolt and pull the sensor out of the valve cover or cylinder head.

Note: On 5.0L engines, the radio noise filter is attached to the engine by the driver’s (left) side intake CMP sensor bolt.

5. Lubricate the 0-ring with clean engine oil prior to installation.

6. Installation is the reverse of removal.

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