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Quick summary; my Z has had cold starting problems and I've changed practically everything that's fuel, electrical related, and other parts that probably didn't need to be changed but I went to the extreme. Some parts were changed almost twice to void out any faulty parts, too. One day I hooked up my techtom and my water temp read 203 degrees. That seemed odd since I have replaced the coolant temp sensor 3 times and the Z hasn't been turned on in over a week! So I hooked up my lap top with the blazt program and it read the same for the water temp. Everything made sense now. The ECU is getting a high temperature and is making the Z run lean, and that is why I have to spray starter fluid in a vacuum line to give it the extra fuel to get it running. So I tested my Z by changing the water temperature through my blazt program to 40 degrees and my Z turned on immediately without any starter fluid, and this was a cold start. My question if any one can help me, what is the faulty part? Is it my ECU or the coolant temp connector? How can I test each? If it's the ECU, how can it go bad? Below is what the blazt program is reading right now. How is this possible if the engine is dead cold? 
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Why is my ECU reading coolant temperature at 203 degrees? - 
