Depends on how you define "normal" . The ECU, after the battery connection, with its adaptation data erased, will start in default mode and check all the relevant sensors over some driving cycles to set up adaptation data. When you start the engine, it will start in open loop mode, meaning, not checking most of the sensors (MAF, O2 sensors and so on), so it runs in this mode, based on throttle angle position to calculate fuel injector timing. When the sensors are ready, it goes into closed loop mode to adjust air/fuel ratio precisely. So, if your car is stuck in the open loop mode, and thinks it is perpetually idling (P/N setting), the fuel consumption will not be good.This M112 engine will it work normally with these errors?
It would be interesting to know how this julie emulator works, and how it communicates with the ECU. At the end of start sequence, the ECU updates the authorization code to be loaded into the key, and maybe the emulator is not acknowledging it.