car hard to start

my 99 eclipse gs 2.0 non turbo is very hard to start,it takes about 15 seconds of cranking before it fires up.then idles very rough for about 2 to 3 minutes then runs fine.replaced idler control,throttle position sensor,coolant temp sensor,spark plugs and fuel filter.i have also cleaned the throttle body.any help would be nice.

did you align the tps correctly? the only way to be sure is if you have a datalogger.

where do u live? is it a cold start?

they way it looks from the manual the tps could only go on one way.the car runs fine once warm,and fires right up as long as it doesnt sit for more then a few hours.begining to think im losing fuel pressure at the rail.

I recently had a "hard to start" problem with my '92 Turbo.... my mechanic had my ECM rebuilt and it solved the problem.