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A Diesel Engine Is Misfiring with Light Smoke, Especially at Idle

Question 45

Multiple Choice

A diesel engine is misfiring with light smoke, especially at idle, along with excessive combustion noise. Which of the following is the MOST LIKELY cause?


A) NOP (Nominal Opening Pressure) at 70-90% of minimum specification"
B) Nozzle stuck closed"
C) Tip leakage
D) Plugged orifices"

Correct Answer:

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