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What is Emissions Testing: A program designed to periodically check a car’s emissions to ensure they are within legal limits. They are used in numerous states and areas as required by the Environmental Protection Agency to improve air quality in those areas. Although the requirement comes from the government, states and their associated agencies have some flexibility in the type of test used and other program-specific details. Some states run centralized programs that have state-contracted test stations exclusively dedicated to testing. Other states run decentralized programs, where emissions can be tested at local repair facilities. In a few cases, states may run “hybrid” programs using both centralized and decentralized test stations. The latest trend is to incorporate the use of second-generation onboard diagnostics (OBDII) into these programs, in many cases altogether eliminating the need for tailpipe emissions tests.
Purpose: These tests evaluate the emissions from vehicles and single out those polluting beyond the limits established for certain model vehicles. Aside from identifying vehicles with high emissions, such programs advocate proper maintenance to prevent high emissions due to maintenance neglect.
Maintenance Tips/Suggestions: The best way to keep your vehicle environmentally friendly is by performing regularly scheduled maintenance, rather than waiting to correct a problem after your car fails an emissions test. If the SERVICE ENGINE SOON/CHECK ENGINE light appears, have it checked out immediately by the expert mechanics at Turning Wrench. Neglecting these warning signs can cause lead to more extensive and expensive repairs.
