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Author Question: A cylinder power balance test is performed. Cylinders 1, 2, and 3, all drop 175 RPM when disabled ... (Read 120 times)

melina_rosy

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on: Jun 23, 2018
A cylinder power balance test is performed. Cylinders 1, 2, and 3, all drop 175 RPM when disabled with a scan tool. Cylinder 4 drops 50 RPM when disabled. The following statements are all correct EXCEPT ________.
 
  A) There may be a mechanical problem with cylinder 4
  B) Cylinder 4 is much weaker than 1, 2, and 3
  C) This test could also be conducted by grounding the plug wire for each cylinder
  D) Cylinder 4 is much stronger than 1, 2, and 3

Question 2

What is NOT true about short-term fuel trim?
 
  A) Is expressed in percentages. B) Uses the oxygen sensor.
  C) Able to react quickly to add or subtract fuel. D) Can add or subtract a large amount of fuel.


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IAPPLET

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

D

Answer to Question 2

D


melina_rosy

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Reply 2 on: Jun 23, 2018
Thanks for the timely response, appreciate it

rachel

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Reply 3 on: Yesterday
Wow, this really help

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