Technician A says that since the introduction of EGR on diesel engines, OEMs have greatly extended recommended oil change intervals. Technician B says that Cummins and Detroit Diesel factory fill their engines with FA-4 engine oil . Who is correct?
A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B

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The Answer of Technician A says that since the introduction of EGR on diesel engines, OEMs have greatly extended recommended oil change intervals. Technician B says that Cummins and Detroit Diesel factory fill their engines with FA-4 engine oil . Who is correct?
A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B

Technician a Says That Since the Introduction of EGR on Diesel