Vehicle inspection can include a combination of the following test types depending on vehicle category, model-year, weight, and fuel type:
- Emission Inspection through On-Board Diagnostic (OBD) or tail pipe test
- Visual Catalyst Inspection
- Gas Cap Test
A list of common causes of personal vehicle inspection failures is available at the link below:
- Personal Vehicles - Common Causes of Inspection Failure
- Commercial Vehicles - Common Causes of Inspection Failure
- For-Hire Vehicles - Common Causes of Inspection Failure
Information on DC DMV’s exhaust emissions testing is available at the link below:
Some vehicles fail inspection; some cannot be tested. More information on inspection failures, unable to tests, and re-tests is available at the link below:
When your vehicle passes inspection, you will be able to register it with DC DMV. Bring the vehicle inspection report with you to a DC DMV service center to register your vehicle.
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