Technician A says that whenever an E3 injector is changed out, it is important to drain the EUI fuel supply gallery prior to removing the injector. Technician B says that when one E3 injector is changed out, the calibration codes of the unchanged five injectors must be reprogrammed.. Who is correct?

A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B


Answer: A

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