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OK
What you want to do now is to verify that the solinoid for the rack is in fact working when the starter is cranking..if NO, then check the relay and power for that circuit. That relay is right next to the CSV relay..they are the same type relay. One for rack sol, one for CSV.
[ you will actually hear the rack/solinoid clicking as the rack moves]
If Yes, then the next time you try a hot start , do nothing different EXCEPT bring a one second ,12 V pos jumper from the battery to the CSV as you crank and see if it starts ..if YES , then the One second relay kit or the manual cabin switch will be the remedy.

I would also do the key ON/Pre start delay for electric fuel pump circulation I mentioned, in the event that you have a vapor condition...
Do that test before the jumper/CSV test......
That will isolate the condition for proper diagnosis.

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A Dalton