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Author Question: Which of these are symptoms of carbon build-up on the throttle plates? A) Rough idle B) Surging ... (Read 152 times)

ericka1

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on: Jun 23, 2018
Which of these are symptoms of carbon build-up on the throttle plates?
 
  A) Rough idle B) Surging at idle
  C) Stalling D) All of these are correct.

Question 2

Technician A says that high HC emission levels are often caused by a fault in the ignition system. Technician B says that high CO2 emissions are usually caused by a richer-than-normal air-fuel mixture. Which technician is correct?
 
  A) Technician A only B) Technician B only C) Both technicians D) Neither technician


johnpizzaz

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

D

Answer to Question 2

A


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