How do states use OBD II for emission inspections?

How do states use OBD II for emission inspections?  - Emission inspection readiness - Maintaining your car - Maintenance and specifications - Volvo XC60 Owners Manual - Volvo XC60

Many states connect a computer directly to a vehicle's OBD II system. The inspector can then read "faults." In some states, this type of inspection has replaced the tailpipe emission test.

    See also:

    S80 in the Market
    The market for a large luxury sedan from Volvo has always been hampered by the fact that the people car buyers want to protect most are their family, and families often opt for wagons and SUVs. Th ...

    Seeing, Being Seen & Being Heard
    Visibility is good in the C30, even bordering on exceptional. I didn't find any objectionable blind spots, though the side mirrors could be a bit larger. In addition to being a distinguishing des ...

    How BLIS functions in daylight and darkness
    Daylight BLIS reacts to the shape of surrounding vehicles. The system is designed to help detect motor vehicles such as cars, trucks, buses, motorcycles, etc. Darkness BLIS reacts to the headl ...