How to Read a Smog Check Report
November 17, 2013
During a smog check, a licensed technician will adhere measuring equipment to your vehicle. The smog check exam consists of Emissions Inspection, Visual Inspection and Functional Inspection--all of which ensure your emissions equipment is in place, functioning, and doing its job of weeding out pollutants from your car'south frazzle.
Emissions measured include carbon monoxide (CO), carbon dioxide (CO2), hydrocarbons (HC) and oxygen (O2). In some of the nation's most polluted urban areas, the emissions test besides measures levels of oxides of nitrogen (NOx).
During the smog bank check, the measurements taken are recorded and immediately bachelor to your land'southward agency responsible for monitoring smog and vehicle emissions. In Georgia, information goes to the Georgia Clean Air Force (GCAF). In California, information technology is transmitted to the Agency of Automotive Repair (BAR). For more than information on emission testing programs in other states, click here.
Cities, states and counties that require smog and emissions tests for DMV motorcar registration determine which testing method or combination of methods to utilize. Current testing methods include:
- Two-speed idle (TSI) – this test analyzes frazzle emissions from the tailpipe as the engine idles commencement at high, and so at depression speed, and is unremarkably for older cars registered before 1995.
- Acceleration simulation mode (ASM) – Once more, almost often reserved for older vehicles, the ASM examination measures emissions nether false driving conditions using a dynamometer.
- On-board diagnostics (OBDI) – During this test, information is downloaded from the vehicle'due south on-board diagnostics computer.
Following completion of the smog cheque, whether pass or fail, the technician will give you a copy of the examination results, chosen the Vehicle Inspection Report (VIR), along with a receipt for payment of the smog check.
If your vehicle fails the smog check, you can choose to accept it repaired at a licensed exam and repair station and and then have it retested to pass the smog check. Vehicles that take not passed inspection are non allowed on public roads and owners will exist ticketed if they are defenseless operating those vehicles.
Emissions problems are generally cheap and quick to repair. If you believe your vehicle won't pass a smog check, it may exist best to get to a facility that can perform the check and make any necessary repairs and then re-test and so the vehicle passes smog inspection.
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Source: https://www.thecarconnection.com/tips-article/1088311_what-happens-during-a-smog-check
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