Join Date: Jan 2007
Location: Hemlock, Michigan
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Your problem is very similar in characteristics to what I was experiencing with my 7.3L and it was indeed the CPS. I would have never thought of this on my own and I give credit to Scott for clueing me in to the whole CPS thing.
The not so funny thing about all of this was that my local Ford dealer was trying to ding me for a $1000 ICM part...stating that the CPS was not capable of producing the problems of loss power, stalls, and no starts at all (at times).
For the heck of it, I would start with the replacement of the CPS since it is a relatively inexpensive part.
For me, it was the answer. My truck runs great ever since the fix...and I was chasing mythical fuel problems, injector problems, you name it...until Scott straightened me out.
Hope that sharing my experience is helpful!