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Author Question: On-board diagnostic (OBD) systems levels I and II are being discussed. Technician A says that only ... (Read 337 times)

renzo156

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on: Jun 23, 2018
On-board diagnostic (OBD) systems levels I and II are being discussed. Technician A says that only OBD II systems require misfire detection. Technician B says that OBD I was capable of detecting exhaust emission control system failures. Which technician is correct?
 
  A) Technician A only B) Technician B only C) Both technicians D) Neither technician

Question 2

In an OBD II system, when all enabling criteria for a given diagnostic are met, it's considered ________.
 
  A) A trip B) A freeze frame
  C) A tuned engine D) A warmed-up engine


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Carliemb17

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

A

Answer to Question 2

A


renzo156

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Reply #2 on: Jun 23, 2018
Thank you


Carliemb17

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Reply #3 on: Jun 23, 2018
No problem :)


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