Recommended Procedure
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.
Connect scan tool to Data Link Connector (DLC). Using scan tool, access RPM PID from PID/DATA MONITOR & RECORD menu. Crank engine while monitoring RPM PID reading. See PID PARAMETERS table. If RPM PID reading indicates less than 100 RPM, check CMP sensor circuit. See TEST V: CAMSHAFT POSITION SENSOR under SYSTEM TESTS in SELF-DIAGNOSTICS - 6.0L DIESEL article.