If suction pressure was too high what components would you check to determine if they were adjusted properly?

A. Suction service valve and receiver tank service valve.
B. TXV and accumulator.
C. TXV and suction pressure regulator.
D. Safety valve and discharge regulator.


Answer: C

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Technician A says that MAP sensors use a 5 volt reference voltage from the PCM. Technician B says that the MAP sensor voltage will be higher at idle at high altitudes compared to when the engine is operating at near sea level. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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