You did not tell us what were the results of the coolant temp sensor (also called fuel injection temp sensor) ? Check if the resistance changes by a factor of about 8 to 10 as the engine temp goes from cold (20 deg-c) to 80 deg-c.

You have changed a lot of parts, you should disconnect the battery for 10 minutes incase the computer needs a reset.

Also it maybe a good idea to again summarize what you have changed and what the problems are now (also the exact model of the car). I would not change any more parts until there is a definite diagnosis. Most of the parts you have changed could have been tested to a certain extent with a multimeter and a fuel pressure gauge.

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Saumil S. Patel