Answer :
Technician A says the OBD-II EVAP system leak test monitor will not run if the fuel level is too high. Technician B says the monitor will not run if the fuel level is too low, so Technician A is correct because the OBD-II EVAP system leak test monitor will not run if the fuel level is too high.
According to Technician A, the OBD-II EVAP system leak test monitor will not run if the fuel level is too high. Technician A is correct because fuel slosh can cause inaccurate readings, and high fuel levels can cause fuel to spill out during testing, resulting in a fire hazard. As a result, when carrying out OBD-II EVAP system leak testing, it is critical to ensure that the fuel level is between one-quarter and three-quarters full.How does the OBD-II EVAP system leak test monitor work?The OBD-II EVAP system leak test monitor operates by comparing the ambient pressure reading to a vacuum reading from the EVAP system through a leak check valve.
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