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Author Question: The primary use of the PCM for the oxygen sensor is to ________. A) Fine tune the air-fuel ... (Read 123 times)

mydiamond

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on: Jun 22, 2018
The primary use of the PCM for the oxygen sensor is to ________.
 
  A) Fine tune the air-fuel mixture B) Help measure exhaust temperature
  C) Assist in cold start-up D) Verify engine temperature

Question 2

When the oxygen sensor begins to produce a useable signal the PCM enters ________ operation.
 
  A) Closed loop B) Warm-up C) Open loop D) Backup


Moriaki

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

A

Answer to Question 2

A


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