The EGR monitor is an intrusive test, and the customer may notice an rpm fluctuation while the test is taking place.
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Q15: Downstream secondary air injection systems are only
Q16: The enhanced system must be capable of
Q17: Technician A says the secondary air monitor
Q18: Technician A says that the EGR system
Q19: Technician A says the catalyst's ability to
Q21: Which monitor is used to detect malfunctions
Q22: OBD II requires that the EGR system
Q23: Explain the function of the heated oxygen
Q24: Explain the purpose of the catalyst efficiency
Q25: Why does OBD II require oxygen sensors
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