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Author Question: Which gas is generally considered to be the rich indicator? (The higher the level of this gas, the ... (Read 81 times)

misspop

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on: Jun 22, 2018
Which gas is generally considered to be the rich indicator? (The higher the level of this gas, the richer the air-fuel mixture.)
 
  A) HC B) CO C) CO2 D) O2

Question 2

HC and CO are high and CO2 and O2 are low. This could be caused by a ________.
 
  A) Defective ignition component B) Rich mixture
  C) Clogged EGR passage D) Lean mixture


jliusyl

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Reply #1 on: Jun 22, 2018
Answer to Question 1

B

Answer to Question 2

B


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