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Check engine light

Index Check engine light

A malfunction indicator lamp (MIL), or check engine light, is a tell-tale that a computerized engine-management system uses to indicate a malfunction. [1]

14 relations: ALDL, Chrysler, E85, Engine control unit, Ethanol, HowStuffWorks, Idiot light, Manual transmission, Mazda, Methanol, OBD-II PIDs, On-board diagnostics, Oxygenate, United States Environmental Protection Agency.


Assembly Line Diagnostic Link or ALDL is a proprietary on-board diagnostics system developed by General Motors prior to the standardization of OBD-2.

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Fiat Chrysler Automobiles US LLC (commonly known as Chrysler) is the American subsidiary of Fiat Chrysler Automobiles N.V., an Italian-American automobile manufacturer registered in the Netherlands with headquarters in London, U.K., for tax purposes.

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E85 is an abbreviation typically referring to an ethanol fuel blend of 85% ethanol fuel and 15% gasoline or other hydrocarbon by volume.

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Engine control unit

An engine control unit (ECU), also commonly called an engine control module (ECM), is a type of electronic control unit that controls a series of actuators on an internal combustion engine to ensure optimal engine performance.

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Ethanol, also called alcohol, ethyl alcohol, grain alcohol, and drinking alcohol, is a chemical compound, a simple alcohol with the chemical formula.

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HowStuffWorks is an American commercial educational website founded by Marshall Brain to provide its target audience an insight into the way many things work.

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Idiot light

An idiot light, sometimes "tell-tale", is an indicator of malfunction of a system within a motor vehicle by an illuminated symbol or text legend.

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Manual transmission

A manual transmission, also known as a manual gearbox, a standard transmission or colloquially in some countries (e.g. the United States) as a stick shift is a type of transmission used in motor vehicle applications.

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, commonly referred to as simply Mazda, is a Japanese multinational automaker based in Fuchū, Aki District, Hiroshima Prefecture, Japan.

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Methanol, also known as methyl alcohol among others, is a chemical with the formula CH3OH (a methyl group linked to a hydroxyl group, often abbreviated MeOH).

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OBD-II PIDs (On-board diagnostics Parameter IDs) are codes used to request data from a vehicle, used as a diagnostic tool.

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On-board diagnostics

On-board diagnostics (OBD) is an automotive term referring to a vehicle's self-diagnostic and reporting capability.

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Oxygenated chemical compounds contain oxygen as a part of their chemical structure.

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United States Environmental Protection Agency

The Environmental Protection Agency is an independent agency of the United States federal government for environmental protection.

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[1] https://en.wikipedia.org/wiki/Check_engine_light

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