I have a stock G8 motor in a old buick. The car is wired and done* with a reflashed ECU. I expected the car to be able to start but it does not without a little shot of starting fluid. I tried making some changes to the ECU and installed another ECU that does start the car but runs bad. Thing I notice from data is no more than 25% TPS and no injector or ign duty showing. Do I have a wiring problem? Any help would be great, I am a bit of a newbie to HP. Thanks.