Emissions Testing Updated September 23, 2017Many states require that your vehicle undergo either a safety inspection or an emission controls system inspection, or both. If your car or truck has failed inspection, you are probably frustrated. The first thing you need to do is to read up on your state's laws and criteria for failing the test. It varies from state to state, and some of the problems that get flagged may be relatively easy to fix.
Other problems may require in-depth work by an automotive mechanic, but either way, you will need to understand the problems, fix them, and then get the vehicle reinspected and passed if you expect to license it for road use.
Your car may fail an inspection for something as simple as a dangling muffler, for example. Whether your car's OBD (on board diagnostics) system is showing a fault code or if it's your check engine light causing you to fail, you need to know what things need to be remedied and what to expect when you bring the car back for reinspection.
Also, if you are buying a car it is a good idea to first find out whether your state requires safety inspections. Many states have no inspection requirement at all, while others are very strict regarding this.
Following is a list of states and links to contact information pertaining to each state's vehicle emissions testing and safety inspection requirements:
Alabama - No Testing Required
Alaska - Testing No Longer Required
Arizona - for information visit
http://www.myazcar.com/Arkansas - for information visit
https://www.adeq.state.ar.us/air/planning/ozone/cars.aspxCalifornia - for information visit
https://www.smogcheck.ca.gov/Consumer/index.html?3Colorado - for information visit
www.aircarecolorado.com/Connecticut - for information visit
www.ctemissions.com/Delaware - for information visit
www.dmv.de.gov/services/vehicle_services/reg/ve_reg_emissions.shtmlFlorida - Testing No Longer Required
Georgia - for information visit
www.cleanairforce.com/Hawaii - for information visit
www.dmv.org/hi-hawaii/car-registration.phpIdaho - Testing Required Only in Ada County - for information visit
www.emissiontest.org/Illinois - for information visit
www.epa.state.il.us/air/vimIndiana - for information visit
www.in.gov/bmv/2665.htmIowa - No Testing Required
Kansas - No Testing Required
Kentucky - No Testing Required
Louisisana - for information visit
www.lsp.org/lse_form4.htmlMaine - for information visit
www.maine.gov/dep/air/mobile/enhancedautoinsp.htmlMaryland - for information visit
www.mva.maryland.gov/MVA-Programs/VEIP/veipinfo.htmMassachusetts - for information visit for more info visit
http://www.mass.gov/rmv/stationsMichigan - No Testing Required
Minnesota - No Testing Required
Mississippi - for information visit
https://www.dmv.com/ms/mississippi/emissions-testingMissouri - for more information visit
www.dnr.mo.gov/gatewayvip Montana - No Testing Required
Nebraska - for more information visit
www.dmv.ne.gov/dvr/mvtitles/inspect.html Nevada - Some Areas Require Testing - for more information visit
www.dmvnv.com/emission_areas.htmNew Hampshire - for information visit
www.nh.gov/safety/divisions/dmv/registration/inspections-emissions/index.htmNew Jersey - for information visit
www.state.nj.us/mvc/Inspections/New York - for information visit
dmv.ny.gov/inspection/inspection-requirementsNorth Dakota - No Testing Required
Ohio - for information visit
epa.ohio.gov/dapc/echeck/testing_info/tips_for_smooth_testing.aspxOklahoma - No Testing Required
Oregon - for information visit
http://www.dmv.org/or-oregon/smog-check.phpPennsylvania - for information visit
www.drivecleanpa.state.pa.us/Rhode Island - for information visit
www.dmv.ri.gov/inspectionsSouth Carolina - No Testing Required
South Dakota - No Testing Required
Tennessee - for more info visit
http://www.state.tn.us/environment/apc/vehicleTexas - for information visit
www.txdps.state.tx.us/rsd/vi/consumerinfo/emissionTesting.htmUtah - for more info visit
http://dmv.utah.gov/safety-and-emissions-inspections#emissionVermont - for information visit
dmv.vermont.gov/safety/laws/emissionsVirginia - for information visit
www.dmv.virginia.gov/webdoc/citizen/vehicles/emissions.asp
Washington - for information visit
www.dol.wa.gov/vehicleregistration/emissions.htmlWashington DC - for information visit
https://dmv.dc.gov/service/vehicle-inspectionsWest Virginia - No Testing Required
Wisconsin - Some Counties Require Testing - for information visit
www.dot.wisconsin.gov/drivers/vehicles/im.htmWyoming - No Testing Required
