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:

    How can my vehicle fail OBD II emission inspection?
    Your vehicle can fail OBD II emission inspection for any of the following reasons. • If your Check Engine (MIL) light is lit, your vehicle may fail inspection. • If your vehicle's Check Engine l ...

    Location
    Location ...

    Safety & Reliability
    The C70 scores the highest rating, Good, in the Insurance Institute for Highway Safety's frontal offset and side-impact crash tests, as well as for rear-crash protection. In addition to the requ ...