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:

    Parking lights
    Headlight control in position for parking lights The parking lights (the license plate lights also come on) can be turned on even when the ignition is switched off. Turn the headlight control ...

    Sub-channels
    Example of an HD Radio station with sub-channels In many cases, a main HD Radio station (FM wavebands only) will also have sub-channels offering additional types of programming or music. In such ...

    Vanity mirror lights
    1. Carefully insert a screwdriver and pry out the lens. 2. Pry out the bulb and replace it. 3. Carefully press the lower edge of lens onto the four tabs and press the upper edge of the lens in ...