Replaced 00'4.7L with a 02'4.7L.do I have2 change the crank/cam sensor,ping gear

The PCM box on the 2000,has 3 plugs. And the 2002 PCM box has 4 plugs. Do I put the 2002 or the 2000 sensors in.. The body and brain is the 2000. the motor is a 2002.

Ok, the info on the number of PCM wire plugs makes a difference for sure, you have a later production 2002 engine... You will either have to change the reluctor (tone rings) OR PCM and wiring harness. To R&R the 'crankshaft' reluctor ring, got to pull the crank out of the engine... That means engine got to come back out... To **confirm this** you can pull the crank sensor out of both engines and use a light to inspect the reluctor ring .. It should be very obvious if different... The later production has 'more teeth'... Good luck with it!