Question: Technician A says the MAP sensor reading with the key on, engine off should equal barometric pressure. Technician B says when the engine is started,

Technician A says the MAP sensor reading with the key on, engine off should equal barometric pressure. Technician B says when the engine is started, the MAP sensor signal voltage should increase. Who is correct?

A. A only

B. B only

C. Both A and B

D. Neither A nor B

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