Volvo XC60: How do states use OBD II for emission inspections? - Emission inspection readiness - Maintaining your car - Maintenance and specifications - Volvo XC60 Owner's ManualVolvo XC60: How do states use OBD II for emission inspections?

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.

    What is an Onboard Diagnostic System (OBD II)?
    OBD II is part of your vehicle's computerized engine management system. It stores diagnostic information about your vehicle's emission controls. It can light the Check Engine light (MIL) if it ...

    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 Engi ...

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