Inspection/Maintenance Programs in NYS - Frequently Asked Questions
Q: What are Inspection/Maintenance (I/M) programs?
A: New York State's (NYS) I/M programs require annual emissions testing of motor vehicles to insure that these vehicles are properly maintained. I/M programs are implemented to address both air quality issues and public health concerns. The federal Clean Air Act (CAA) requires I/M programs in areas of the country with demonstrated poor air quality. NYS' I/M programs are defined by regulations promulgated by the NYS Departments of Motor Vehicles and Environmental Conservation and are administered jointly by these agencies.
Q: What NYS areas are included in the testing?
A: I/M programs have been implemented statewide; however, these requirements are more comprehensive in the downstate 9-county New York Metropolitan Area (NYMA). The NYMA consists of New York City, Long Island, and Rockland and Westchester counties. The types of vehicles affected and the emissions tests required vary between the NYMA and the remainder of the state. See the related "I/M Information Sheet" for more details.
Q: What types of I/M programs are required in NYS?
A: The NYS Departments of Motor Vehicles and Environmental Conservation administer three I/M programs within the state: the New York Vehicle Inspection Program (NYVIP), the New York Transient Emission Short Test (NYTEST), and the Heavy Duty Diesel Program. See the related "I/M Information Sheet" for more details. The New York City Taxi and Limousine Commission also administers an I/M program for medallion taxi cabs subject to New York City regulation.
Q: Why does the New York Metropolitan Area (NYMA) have such a comprehensive network of I/M programs?
A: Public health is adversely impacted in areas that do not comply with air quality standards. The NYMA has been classified by the federal Environmental Protection Agency as a "nonattainment area" for ozone (see Related Links). This determination was based on ambient air quality data recorded over time at regional sampling locations. The federal Clean Air Act Amendments of 1990 require those areas with the most serious ozone and carbon monoxide pollution to enact "enhanced" I/M programs to improve air quality.
Q. What do I/M programs prevent?
A. Ozone is a pollutant found during the unhealthy air condition called smog. Unlike other air pollutants, ozone is not emitted directly by pollution sources. In the presence of sunlight and during high temperatures (over 80°F), ozone is formed in the lower atmosphere by chemical reactions involving ozone precursors. These precursors are hydrocarbons and nitrogen dioxide which are emitted from motor vehicles and smokestacks. Ozone can cause a variety of respiratory problems, including coughing, shortness of breath, decreased lung function, and increased susceptibility to respiratory infection. People most affected by air pollution include the elderly, children, and those affected by respiratory ailments including asthma. I/M programs, through mandatory scheduled testing, insure that motor vehicles are properly maintained resulting in the prevention and reduction of ozone precursors.
Q: What type of emissions test is needed for my vehicle and how much will it cost?
A: The type of emissions test needed will depend on your vehicle's age (model year), fuel type, county of registration, and the applicability of an emissions exemption. The inspection fee varies by emissions test type and I/M area. See the related "I/M Information Sheet" for more details.
Q: What is "Onboard Diagnostics II" (OBD II)?
A: OBD II is the second generation of onboard diagnostics that monitors the operation of a vehicle's engine and the emissions control systems. Model year 1996 and newer vehicles weighing <8,500 lbs (passenger cars, light-duty pick-up trucks, most vans) are manufactured with OBD II. If OBD II detects a problem that could result in excessive emissions, a malfunction indicator light will illuminate on the vehicle's dashboard. While newer vehicles are designed and manufactured to meet cleaner standards, their emissions will remain low only if properly maintained. By detecting emissions control component deterioration and/or failures, vehicles can be properly serviced before more serious and more expensive problems develop. The OBD II inspection requires the connection of the NYVIP test equipment to the vehicle's standardized OBD connector to download emissions systems' information.
Q: What is the malfunction indicator light (MIL)?
A: This is a warning light located on the vehicle's dashboard. The color of an illuminated MIL can be red, amber, or yellow. If the MIL stays illuminated while the engine is running, the vehicle's "OBD II" system has detected a potential emissions problem. The MIL can read, "Check Engine," "Check Engine Soon," or simply be an image of an engine.
Certain severe engine malfunctions may cause the MIL to blink or flash on and off. These conditions require a reduction in speed and immediate service. Consult your owner's manual for further guidance.
Q: What are the advantages of "OBD II" inspections?
A: There are several advantages compared to traditional tailpipe inspections. OBD II alerts the driver, by illuminating the MIL, of an engine management or emissions control issue once it's been encountered. There are circumstances where OBD II will detect a problem before the driver notices an operational problem. Early diagnosis and timely repairs can prevent additional and even more costly repairs. OBD II provides the repair technician with information related to the specific emissions fault condition that led to MIL illumination. This information allows for a more focused and potentially faster repair.
When an engine is not running as efficiently as possible, performance is lost, fuel is wasted, and air emissions increase. OBD II repairs can also result in substantial fuel savings. OBD II inspections take less time to complete, and are capable of evaluating evaporative emissions problems (i.e., leaks from hoses) that are not possible for pre-OBD II vehicles.
Q: What takes place during a NYVIP OBD II inspection?
A: The complete NYS inspection for an OBD II vehicle includes three components:
- Safety inspection;
- Visual inspection of the emission control devices (including the gas cap); and
- OBD II inspection.
The actual OBD II inspection involves retrieving electronic data from the vehicle's on-board computer and two visual inspections completed by the licensed inspector. The visual inspections are related to the operation of the malfunction indicator light. Data retrieval is accomplished by attaching the NYVIP inspection equipment to a standardized connector located inside the vehicle. The OBD II pass/fail determination is based on the visual inspections and data retrieved from the vehicle.
Q: What should I do if the MIL stays lit?
A: If the MIL remains lit while the engine is running, the vehicle's on-board computer has detected a potential emissions related fault that needs to be evaluated. The problem may reduce fuel efficiency, increase air pollution, or even harm the engine. You should take the vehicle to a qualified automotive repair technician to determine the severity of the problem as soon as a possible.
A vehicle presented for an official NYVIP OBD II inspection with an illuminated MIL will fail the inspection. Delaying repair could also result in damage to the vehicle's emission control system which could result in significantly higher repair costs. Do not wait until the end of your current inspection sticker to have your vehicle inspected as the repair technician needs adequate time to diagnose and repair the vehicle.
Q: How do I know if my vehicle passed or failed the "OBD II" inspection?
A: The NYVIP test equipment will print a document (Vehicle Inspection Receipt) which details the inspection results. You can request this document from the inspector. If your vehicle fails the OBD II test, the report will list the reason(s) for the failure. The report can also provide useful information to a qualified automotive repair technician should your vehicle require repair.
Q: What needs to happen if my vehicle fails the "OBD II" inspection?
A: If your vehicle fails the OBD II inspection, the vehicle must pass a re-inspection or receive an emissions-related waiver (see below) in order to receive a valid inspection sticker. In most cases, the vehicle will need to be repaired. In the specific case of a "readiness failure" (see below), the vehicle must be driven for its OBD II to run prescribed diagnostics to become "ready." Failure to pass the inspection by the expiration of the current inspection certificate will leave the motorist subject to fines (i.e., expired inspection sticker) and registration denial.
Q: My vehicle failed the NYVIP OBD II inspection for the readiness evaluation. What does this mean, and how can I get my vehicle to pass?
A: A readiness failure means that the NYVIP inspection equipment communicated with the vehicle and the vehicle reported back that it had not completed a sufficient number of its on-board diagnostics. The vehicle will need to be driven, usually for several days, for a sufficient number of diagnostics to run to completion. The following guidance applies to the OBD II readiness evaluation:
- Motorists are encouraged to have their vehicle diagnosed when the MIL is illuminated. Do not disconnect the battery in an attempt to bypass a NYVIP OBD inspection. This practice is counterproductive as it will lead to a NYVIP readiness-related failure.
- Motorists are encouraged to have their annual inspection completed prior to the last week of their valid inspection sticker. Some vehicles are more difficult to make "Ready" than others, and multiple attempts at completing a recognized drive cycle may be necessary.
- Motorists receiving a 10-day extension should be cautioned that the extension is for one time only. The inspector or motorist should drive the vehicle for several days in an attempt to set monitors, and then have the vehicle re-inspected several days in advance of the 10-day expiration.
Additional information on readiness failures can be found at the NYS Vehicle Inspection Program - Media Resources web site (see Offsite Links).
Q: Will my vehicle's warranty cover any of emissions related repairs?
A: The best source of information related to warranty coverage is the vehicle's owner's manual or warranty booklet. Emissions related repairs are covered under a federal emissions warranty for the first 2 years or 24,000 miles (whichever comes first). Additional warranty coverage is required for the major emissions components, including the powertrain control module (computer) and catalytic converter, for up to 8 years or 80,000 miles (whichever comes first). Extended warranties may also apply.
Q: Can a loose gas cap cause the MIL to turn on?
A: Vehicles equipped with "OBD II" complete a series of manufacturer defined diagnostic checks for evaporative gas leaks - including very small leaks. A broken gas cap, or one not completely tightened, can cause MIL illumination. In these cases, the vehicle's OBD II system is operating as designed as it has detected a fault condition. If you have reason to believe that the gas cap was not completely fastened, simply re-tightened the cap. The vehicle will continue to run its diagnostics. The vehicle will turn off the MIL after several "trips" if the fault condition no longer exists. Otherwise, you should have your vehicle evaluated, or "scanned," to find the diagnostic fault code that caused the MIL to be illuminated. Continued operation of a vehicle with an illuminated MIL may result in significant damage to vehicle's emission control system and greater repair costs.
Q: How do you qualify for an emissions related waiver?
A: Vehicles that are required to pass an emissions inspection may qualify for a waiver if the following conditions are met:
- the vehicle fails for only the emissions test portion of the inspection. The vehicle must pass the safety, gas cap check, and the visual inspections of the emission control devices;
- the vehicle receives repairs related to the reason(s) for the emissions inspection failure;
- the vehicle must fail a re-inspection; and
- the documented qualifying repairs must total at least $450.
Any repair costs associated with the manufacturer's warranty, safety inspection, or related to the tampering of the emissions control device will not qualify.
Q: Do diesel-powered vehicles require an annual emissions inspection?
A: Heavy duty (≥8,501 lbs) diesel vehicles registered within the 9-county NYMA are required to receive an annual I/M inspection. Light duty (<8501 lbs) diesels statewide and heavy duty diesel vehicles registered within the 53-county "Upstate I/M area" are not subject to annual I/M testing requirements.
Q: Are heavy duty diesel vehicles required to pass roadside emissions inspections?
A: On a statewide basis, heavy duty (≥8,501 lbs) diesel vehicles are subject to roadside emissions inspections. Officials from the NYS Department Environmental Conservation, the NYS Police, and the NYS Department of Transportation may conduct these inspections. If the vehicle fails the roadside inspection, the driver can receive a summons and a fine. The driver can reduce the fine if the vehicle is repaired and passes a re-inspection at a NYS Department Motor Vehicles licensed facility within 30 days of the violation.
