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Emissions Test Stations FAQs

Emissions Test Stations

Covers helpful information relating to emissions testing and requirements for complying with the Clean Air Act as it is applied by the Ada and Canyon Counties in the State of Idaho
Includes reasons why a failed emissions test can result when a “check engine” light is on

How much does an emissions test cost?

The cost is $20.00 for a vehicle that passes the emissions test. If your vehicle fails to pass, you will pay $16.50 and will have 30 days to make necessary repairs before retesting.
When you retest and pass, you will pay the additional $3.50 to meet the full $20 fee.

How often is the test required?
Testing is required every two years.

Who can test my vehicle?
Tune Tech Downtown is an Emissions Test Station. We offer drop-in testing without an appointment. You can also test at other local shop test stations or at one of the emissions vans located throughout the community.

Which vehicles are required to be tested?
All vehicles between 1,500-14,000 GVWR require testing every 2 years. Vehicles that are manufactured prior to 1981 and vehicles less than 4 years old do NOT require testing.
Electric and hybrid vehicles must present their emissions notification postcards at a certified “emissions test station” to receive an exemption from testing.

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