Technician A says that the primary filter helps extend the life of the secondary filter. Technician B says that the primary filter is located between the engine's high-pressure injection system and the secondary filter. Who is correct?

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The Answer of Technician A says that the primary filter helps extend the life of the secondary filter. Technician B says that the primary filter is located between the engine's high-pressure injection system and the secondary filter. Who is correct?

Technician a Says That the Primary Filter Helps Extend the Life