Alright, this is for my neighbor, I am trying to help him out. This is all I know.

1995 Ford F-150
302 5.0
Throttle Body Fuel Injection
A/C
4x4

Apparently he has to keep the master air flow sensor unplugged to keep it running.

The following codes appear:
Code 116 ECT outside test limits during KOEO or KOER tests
Code 121 Closed throttle voltage higher or lower than expected
Code 511 EEC processor ROM test failed
Code 636 TOT sensor voltage out of self-test range

Any help would be greatly appreciated. Thanks guys.