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:

    Driving Dynamics: Chassis
    The compact Volvo V50 Sportswagon delivers an engaging, dynamic driving experience with a high level of active safety. To achieve this, it makes use of a sophisticated suspension system, a high le ...

    Environment
    Good environmental protection is one of Volvo's cornerstones. All of the engines available in the all-new Volvo S80 are outstandingly economical, given their performance. The manual diesel engin ...

    Front park assist
    The distance monitored in front of the vehicle is approximately 2.5 ft (0.8 m). The audible signal comes from the audio system's front speakers. It may not be possible to combine auxiliary ...