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    Exam 85: Positive Crankcase Ventilation and Secondary Air-Injection Systems
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    When Checking for the Proper Operation of the AIR System
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When Checking for the Proper Operation of the AIR System

Question 8

Question 8

Multiple Choice

When checking for the proper operation of the AIR system using an exhaust gas analyzer, how much should the oxygen levels increase when the pump is allowed to function?


A) 10-20%
B) 1-4%
C) Up to 30%
D) 5-10%

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