67 dart stroker hellcat gen3 hemi with twin turbos...

Definitely don’t give up, it’s just a car and it’ll get fixed. If none of the sensors are working, that’s got to be a wiring issue or a setup issue within the Holley. Who wired it and who built the tune? In my experience, the same guy needs to do both, or at least the tuner needs to be able to read the wiring diagram in order to configure things correctly. These Holley systems are everywhere. Find a local willing to help.