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  2. Check engine light - Wikipedia

    en.wikipedia.org/wiki/Check_engine_light

    A check engine light or malfunction indicator lamp (MIL), is a tell-tale that a computerized engine-management system used to indicate a malfunction or problem with the vehicle ranging from minor (such as a loose gas cap) to serious (worn spark plugs, engine problems or a faulty oil valve, etc.).

  3. Tell-tale (automotive) - Wikipedia

    en.wikipedia.org/wiki/Tell-tale_(automotive)

    On vehicles equipped with OBD-II, the light has two stages: it illuminates steadily to indicate a minor fault such as a loose gas cap or malfunction with the vehicle's emissions controls, and it flashes when a severe condition is detected to alert the driver that continued driving may cause severe damage to the engine or catalytic converter ...

  4. Vehicle inspection - Wikipedia

    en.wikipedia.org/wiki/Vehicle_inspection

    To pass the inspection the vehicle must not exceed the mandated emission level (currently Euro-3), the brakes must have no leaks and the brake forces must be symmetrical, steering slip must not exceed the mandated parameters (from 10° for cars to 25° for heavy trucks), all lights must provide the required color, aim and brightness of the ...

  5. Idaho wants to end vehicle emissions testing. How will that ...

    www.aol.com/news/idaho-wants-end-vehicle...

    The emissions testing program in Canyon County and Kuna began in 2010 because of an Idaho law that required vehicle emissions tests in airsheds where an ambient air pollutant is at or above 85% of ...

  6. OBD-II PIDs - Wikipedia

    en.wikipedia.org/wiki/OBD-II_PIDs

    OBD-II PIDs (On-board diagnostics Parameter IDs) are codes used to request data from a vehicle, used as a diagnostic tool.. SAE standard J1979 defines many OBD-II PIDs. All on-road vehicles and trucks sold in North America are required to support a subset of these codes, primarily for state mandated emissions inspections.

  7. California rule sets emission requirements but doesn't ban RV ...

    www.aol.com/california-rule-sets-emission...

    The RV Industry Association argued in a Dec. 4 statement that because of a lack of certified zero-emission motorhome chassis, which is the vehicles' supporting frame, the rule could impact the ...

  8. On-board diagnostics - Wikipedia

    en.wikipedia.org/wiki/On-board_diagnostics

    The hope was that by forcing annual emissions testing for California starting in 1988, [18] and denying registration to vehicles that did not pass, drivers would tend to purchase vehicles that would more reliably pass the test. OBD-I was largely unsuccessful, as the means of reporting emissions-specific diagnostic information was not standardized.

  9. North Carolina moves to end vehicle emissions testing in ...

    www.aol.com/north-carolina-moves-end-vehicle...

    The N.C. Division of Air Quality will ask the U.S. EPA to approve a plan to end annual emissions inspections in 18 of the 19 counties where it is still required.