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:

    Minimum octane
    Typical pump octane label Volvo recommends premium fuel for best performance, but using 87 octane or above will not affect engine reliability. Volvo engines are designed to achieve rated hor ...

    Exterior
    Thanks to its redesign, the S60 is not the boxy Volvo from days of old. Sure, it's a midsize sedan produced by the brand that built its name on safety, but the S60's exterior looks verge on sexy. ...

    Exterior lighting
    Condensation may form temporarily on the inside of the lenses of exterior lights such as headlights, fog lights, or taillights. This is normal and the lights are designed to withstand moisture ...