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Author Question: Which device protects the air pump from reverse exhaust pressure? A) Check valve B) IAC valve C) ... (Read 240 times)

bclement10

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on: Jun 23, 2018
Which device protects the air pump from reverse exhaust pressure?
 
  A) Check valve B) IAC valve C) PCV valve D) EGR valve

Question 2

A vehicle comes into the shop and the technician retrieves the diagnostic code P0401 EGR flow insufficient. Which of these could be the cause?
 
  A) EGR valve stuck open B) Clogged EGR ports or passages
  C) Electrical wiring shorted D) All of these are correct.


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Smiles0805

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

A

Answer to Question 2

D


bclement10

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Reply #2 on: Jun 23, 2018
Thank you!


Smiles0805

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Reply #3 on: Jun 23, 2018
Happy to help


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