Injector stuck open, replaced still stuck open.

[ATB]

Originally Posted by CTScott

Possibly. My understanding was that without the master key that the ECM was worthless, but others who work for Toyota have said that the dealers have access to a master reset method from Toyota corporate. I would ask your dealer.

If you have a used one, I would just swap that part. Being a through-hole part it would be very easy to replace.

Okay so change out that chip soldier out and soldier in the new one? Seems very straight forward to me

Edit: Swapped out the two chips, no difference at all.