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  1. Hope someone can help. I have an MR2 running the 2GR-FE engine with a G4 Xtreme Red ECU. After a period of flat battery and then using a smart 50A charger to charge the battery overnight, fired the car up and idle is up at 2000rpm and there is no throttle input. Link software reports the pedal sensor is functioning ok however there is a "Ecu fault 73 aux 9/10 supply error" and it won't let me calibrate the throttle motor. This car is relatively new to me and I don't have a wiring diagram to refer to but possibly while on the charger the the voltage may have peaked and it blew
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