Technician A says that failure to reprogram injector calibration codes to the ECM after an EUI change-out result in unbalanced fueling. Technician B says that most OEMs require EUI calibration codes to be reprogrammed each time an injector is changed out. Who is correct?
A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B

Question

Quizplus · Accepted Answer

Both technicians are correct. Technician A is correct in stating that failing to reprogram injector calibration codes can result in unbalanced fueling, which can lead to engine performance issues. Technician B is correct in stating that most Original Equipment Manufacturers (OEMs) require the reprogramming of EUI (Electronic Unit Injector) calibration codes each time an injector is changed, to ensure optimal engine performance and fuel efficiency.

Technician a Says That Failure to Reprogram Injector Calibration Codes