Two things come to mind. Fuel filter or injectors
thisTwo things come to mind. Fuel filter or injectors
USDM celicas do not have EGR sorrywell rough idling could come from a bad idle air control valve or an EGR valve.
Pull the EFI fuse or disconnect the ground side of the battery. A code scanner clearing will not reset the fuel map.I have a scanner so I'll resetting today.