Recommended Procedure

WARNING: This page is about a different car, the 2008 Ford Pickup, 2008 Ford F550 Super Duty, 2008 Ford F450 Super Duty, and 2008 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

Connect the scan tool.
Key ON, engine OFF.
Access and monitor the RPM PID while cranking the engine.

If RPM is above 150 RPM refer to PINPOINT TEST V - CAMSHAFT POSITION (CMP) SENSOR and diagnose the CMP sensor. If RPM is 0 RPM refer to PINPOINT TEST D - CRANKSHAFT POSITION (CKP) SENSOR and diagnose the CKP sensor. Refer toTYPICAL DIAGNOSTIC REFERENCE VALUES for normal operating values.