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:

    Marker lines
    1 - Marker line for a 1-foot (30-centimeter) zone behind the vehicle 2 - Marker line for the clear back-up zone 3 - "Wheel tracks" The solid line (1) indicates a zone within 1 ft (30 ...

    Emergency Brake Assistance
    EBA is designed to provide full brake effect immediately in the event of sudden, hard braking. The system is activated by the speed with which the brake pedal is depressed. When the EBA system is ...

    Cold weather precautions
    If you wish to check your vehicle before the approach of cold weather, the following advice is worth noting: • Make sure that the engine coolant contains 50 percent antifreeze. Any other mixtur ...