Power balance testing is being discussed. Technician A says that during testing, a large drop in rpm indicates a cylinder that is not producing necessary power. Technician B says that on some vehicles, this test can be performed with a scan tool because of factory programing. Who is correct?
A) A only
B) B only
C) Both A and B
D) Neither A nor B

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The Answer of Power balance testing is being discussed. Technician A says that during testing, a large drop in rpm indicates a cylinder that is not producing necessary power. Technician B says that on some vehicles, this test can be performed with a scan tool because of factory programing. Who is correct?
A) A only
B) B only
C) Both A and B
D) Neither A nor B

Power Balance Testing Is Being Discussed