Technician A says that an engine malfunction on a Mack electronic engine manufactured between 2002 and 2010 can have up to 10 possible causes. Technician B says that an electronic engine malfunction on a post-2010 Mack engine can have up to 25 possible causes. 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 because the complexity of engines and their electronic control systems has increased over time. For Mack electronic engines manufactured between 2002 and 2010, there could be up to 10 possible causes for a malfunction due to the technology and diagnostics available at the time. For post-2010 Mack engines, advancements in technology and the addition of more complex electronic systems could lead to up to 25 possible causes for a malfunction. This reflects the evolution of engine technology and diagnostic capabilities.

Technician a Says That an Engine Malfunction on a Mack