Technician A says that a MAP sensor can be tested by visual inspection, testing the output using a digital meter, or a scan tool. Technician B says that a light engine load results in low intake manifold vacuum and a high MAP sensor signal voltage. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Question 2
Which of the following is correct?
A) Naturally aspirated engines have more compression than forced induction engines.
B) Naturally aspirated engines use atmospheric pressure to force air into the combustion chamber.
C) Naturally aspirated engines require higher octane fuel.
D) Increasing air pressure also increases its density.
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