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Author Question: Technician A says that the secondary air injection (SAI) system forces air at low pressure into the ... (Read 84 times)

armygirl

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on: Jun 23, 2018
Technician A says that the secondary air injection (SAI) system forces air at low pressure into the exhaust to reduce CO and HC exhaust emissions. Technician B says that a check valve is used between the AIR pump and the exhaust manifold to prevent exhaust gases from damaging the AIR pump and valves. Who is right?
 
  A) Technician A only B) Technician B only C) Both A and B D) Neither A nor B

Question 2

The OBD-II system checks the EGR valve for operation by _______.
 
  A) Opening and closing the EGR valve B) Flashing the MIL
  C) Cycling the DTC system D) Drawing a vacuum on the EGR valve


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s.meritte

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

C

Answer to Question 2

A


armygirl

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Reply 2 on: Jun 23, 2018
YES! Correct, THANKS for helping me on my review

samiel-sayed

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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