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Author Question: Which device protects the air pump from reverse exhaust pressure? A) Check valve B) IAC valve C) ... (Read 218 times)

bclement10

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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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Answer to Question 1

A

Answer to Question 2

D





 

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