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Author Question: Technician A says that vacuum-operated fuel pressure regulators maintain an equal pressure drop ... (Read 130 times)

burton19126

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  • Posts: 532
on: Jun 23, 2018
Technician A says that vacuum-operated fuel pressure regulators maintain an equal pressure drop across the fuel injectors all the time. Technician B says that intake manifold pressure is high at idle. Which technician is correct?
 
  A) Technician A only B) Technician B only
  C) Both technicians A and B D) Neither technician A nor B

Question 2

OBD-II regulations require that the EGR system be tested. Technician A says that the PCM can monitor the commanded position of the EGR valve to determine if it is functioning correctly. Technician B says that the PCM can open the EGR valve and monitor for a change in the MAP sensor or oxygen sensor reading to detect if the system is functioning correctly. Which technician is correct?
 
  A) Technician A only B) Technician B only
  C) Both technicians A and B D) Neither technician A nor B


kingdude89

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Reply #1 on: Jun 23, 2018
Answer to Question 1

A

Answer to Question 2

C


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