Inspection Information
Which Vehicles Are Affected
All New Hampshire vehicles still require an annual safety inspection. In addition to the normal safety checks, 1996 and newer model year light-duty gasoline-fueled passenger vehicles (8500 lbs GVWR and less) and 1997 and newer model year light-duty diesel passenger vehicles (8500 lbs GVWR and less) must have an OBD test as part of the inspection process. In order to perform this test, those cars are connected to the NHOST inspection unit via the standardized OBD port. The inspection unit communicates with the vehicle's OBD system to determine whether or not the monitors are working properly and if they are detecting any problems.

Where To Get Your Vehicle Inspected
All New Hampshire public, automobile inspection stations are required to use the NHOST inspection equipment. It is a good idea to call your station of choice ahead and verify fees charged. Click on the inspection fees link below for a list of inspection stations and their fees where provided. Click here for the List of Inspection Fees


Vehicle Owner's Responsibilities
As the vehicle owner, it is your responsibility to ensure the vehicle complies with inspection requirements. Just as you are required to correct any safety issues with the vehicle before it will pass the safety inspection, you are also required to correct any OBD system problems before you can pass the inspection and receive an inspection sticker.

The OBD system is installed on the vehicle to ensure that it runs smoothly, lasts longer and releases as few pollutants as possible. Repairing problems sooner rather than later could save you money in repairs and at the pumps.








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