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:

    2005 Volvo XC90 Review
    Volvo's best-selling vehicle, the XC90, which arguably is the best crossover sport utility on the market, now comes with optional V-8 power. In the case of the XC90, this might be a matter of poor ...

    Automatic operation
    1. To open the sun shade completely, pull the control as far back as possible (to the auto open position) and release it. 2. To fully open the laminated panoramic roof, pull the control as far ...

    Reduced alarm function
    Turning off the accessory alarm sensors In certain situations it may be desirable to turn off the accessory inclination and movement alarm sensors if, for example, you drive your vehicle onto a ...