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Author Question: The primary purpose of the fuel trim is to keep the air-fuel mixture as close to ________ as ... (Read 97 times)

jjjetplane

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on: Jun 23, 2018
The primary purpose of the fuel trim is to keep the air-fuel mixture as close to ________ as possible.
 
  A) One B) 14.7:1 C) Lambda D) Both B and C

Question 2

Technician A says that oxygen sensors can be tested using a test light or dwell meter, or a scan tool.
  Technician B says that conditions can occur that cause the oxygen sensor to be fooled and give a false lean or false rich signal to the PCM. Which technician is correct?
 
  A) Technician A only B) Technician B only C) Both technicians D) Neither technician


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JCABRERA33

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

D

Answer to Question 2

B


jjjetplane

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

diana chang

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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