What doesn't start the fuel pump?

It's that it cranks over but will not fire. Fuel pressure is fine all the way to the injectors good spark and continuity. Sometimes intermittently it starts but not all the time hot or cold. Could it be a tps sensor or something more fun to replace?

https://www.askmehelpdesk.com/cars-trucks/when-asking-about-your-vehicle-303903.html

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