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:

    Chassis, steering and brakes
    Excellent driving dynamics was a priority for the new Volvo C70. Convertible cars are renowned for poor structural rigidity - which hurts handling response, refinement and safety. By contrast, the ...

    Use
    • Pull the cover over the cargo and hook it into the holes in the rear cargo area pillars. • To retract (roll up) the cover, release it from the holes and guide it toward the rear seat backrest ...

    Function
    A vehicle towing a trailer may begin to sway for various reasons. Normally this only occurs at high speeds but, for example, if the trailer is overloaded or if the load is unevenly distributed ...