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Which of these items is least likely to cause an exhaust emission test failure as of a result of excessive nox emissions? a) poorflow through the egr system. b) spark plug hot range. c) defective fuel injector d) defective oxygen senor

Sagot :

The item that is least likely to cause an exhaust emission test failure as of a result of excessive nox emissions is; poorflow through the egr system.

What is an exhaust emission?

Exhaust emissions simply means substances emitted into the atmosphere from the exhaust discharge nozzle of an aircraft or aircraft engine.

Now, when the test fails as a result  of excessive nox emissions, we can say that high NOx emissions can occur when an engine's air-fuel mixture is too lean. Thus, we can conclude that the reason for exhaust emission test failure as of a result of excessive nox emissions is due to poorflow through the egr system.

Read more about emissions at; https://brainly.com/question/14154063

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