I am having issues getting my 2002 neon 2.0 sohc to stay running after changing

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I am having issues getting my 2002 neon 2.0 sohc to stay running after changing the cylinder head. if I unplug the camshaft positioning sensor the car will start. it dies as soon as I plug it in. I went and bought a new one and it does the same thing. is it possible they gave me a 2003 cylinder head and if so can I make it work?