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    Exam 34: Emission Control Diagnosis and Service
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    In an Engine in Good Condition Running at 2,000 Rpm
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In an Engine in Good Condition Running at 2,000 Rpm

Question 23

Question 23

Multiple Choice

In an engine in good condition running at 2,000 rpm, with a working EGR system, NO X should be below _____ ppm.


A) 100
B) 200
C) 1,000
D) 1,750

Correct Answer:

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