My 2009 is listed as having "California emissions" even though it came from PA. I've yet to find anything that makes the "California" part special. Same parts, no difference in ecu tuning, no extra emissions equipment. The only thing I can think of is the cats being C.A.R.B compliant. However I would think all factory cats were C.A.R.B compliant in 2009 regardless of being a "California" model. Not to mention the C.A.R.B cats are identical anyway, they just have to go through extra certification for no apparent reason. If anyone knows an actual physical difference between a California ranger and a non California ranger I'd be interested to know what it is.
I know in some earlier models the difference was California trucks having egr valves where non California trucks did not. But all 2.3 duratecs have an EGR valve so that's not it...