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Technician a Says the EVAP Monitor for an OBD-II System

question 36

Multiple Choice

Technician A says the EVAP monitor for an OBD-II system determines whether there is sufficient purge flow by varying the purge solenoid duty cycle while monitoring change in STFT. Technician B says the canister vent solenoid must be open during the EVAP pressure test portion of the monitor. Who is correct?


Definitions:

Industry Experience

Refers to the practical knowledge and insight gained through direct involvement and work within a specific industry.

Normal Returns

The minimum profit necessary for a company to remain competitive in the market, essentially covering opportunity costs.

Perfectly Elastic

Describes a situation in demand or supply where the quantity demanded or supplied changes infinitely in response to any change in price.

Perfectly Competitive

A market structure characterized by a large number of small firms, a homogeneous product, and free entry and exit, which leads to price being equal to marginal cost.

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