The TFI module can be moody, but more often than not, it doesn't act up until it's gotten warm, from driving for a bit. Also, when it cools down, it will function again, until it finally quits for good.
Your issue was with the fuel pump, and then with it not running after you jumped the fuel pump relay?
Tell me your story, and don't leave anything out. You have too many threads going in here for me to try and follow.
Include answers to these questions:
Have you tried to pull any codes? If so, what were they? Have you pulled the plugs to verify the pump is getting fuel to the cylinders? Have you checked for spark?
I'll be around on and off tonight.
Take care,
~Chris
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