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Author Question: What does the post, or downstream, oxygen sensor (HO2S) measure? A) Amount of oxygen in front of ... (Read 81 times)

drink

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on: Jun 23, 2018
What does the post, or downstream, oxygen sensor (HO2S) measure?
 
  A) Amount of oxygen in front of the catalytic converter
  B) Amount of H2O in front of the catalytic converter
  C) Amount of oxygen behind the catalytic converter
  D) Amount of H2O behind the catalytic converter

Question 2

What is the first step in diagnosing variable camshaft timing systems?
 
  A) Verify the customer concern B) Check for DTCs
  C) Open the hood and do a visual inspection D) None of these


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Zebsrer

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

C

Answer to Question 2

A


drink

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Reply 2 on: Jun 23, 2018
Great answer, keep it coming :)

recede

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Reply 3 on: Yesterday
Excellent

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