Technician A says the secondary air monitor tests for flow by monitoring the oxygen sensor response. Technician B says the secondary air monitor is run once per drive cycle. Who is correct?
A) A only
B) B only
C) both A and B
D) neither A nor B

Question

Quizplus · Accepted Answer

The secondary air monitor tests for flow by monitoring the oxygen sensor response to verify if the secondary air injection system is working properly (Technician A is correct). It is typically run once per drive cycle to ensure the system's functionality without causing unnecessary load on the vehicle's processing unit (Technician B is correct).

Technician a Says the Secondary Air Monitor Tests for Flow