During a Tailpipe Emissions Test, an Audible Engine "Ping" Occurs

question 32

Multiple Choice

During a tailpipe emissions test, an audible engine "ping" occurs under a load. What emission gas would you anticipate to be elevated to the point of a potential emission failure?

• A) HC
• B) CO
• C) NO_X
• D) none of the above

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Definitions:

Sensory Information

Information received and processed by sensory systems, coming from the environment and body senses for interpretation and understanding.

Prefrontal Lobes

The part of the brain located at the front of the frontal lobes, important for decision making, planning, and controlling social behaviors.

Occipital

Relating to the occipital lobe in the brain, which is primarily responsible for visual processing.

Temporal

Temporal pertains to time, including its measurement, its passage, and the sequencing of events.