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  2. Check Engine Light: Top Reasons Why it Comes On - AOL

    www.aol.com/news/check-engine-light-top-reasons...

    These are the Main Reasons for a Check Engine Light. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach us. Mail ...

  3. 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 uses 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.).

  4. Tell-tale (automotive) - Wikipedia

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

    A group of tell-tales showing lights for "brake fluid", "stop lamp" and "check engine" Graphical tell-talesA tell-tale, sometimes called an idiot light [1] or warning light, is an indicator of malfunction or operation of a system, indicated by a binary (on/off) illuminated light, symbol or text legend.

  5. Powertrain control module - Wikipedia

    en.wikipedia.org/wiki/Powertrain_control_module

    When one of these errors occurs, usually it will turn on the "check engine" light on the dashboard. The PCM is one of potentially several on-board computers, or essentially the "brain" of the engine control system. [1] The primary inputs to the PCM come from many sensors, of different types, that are spread around the car.

  6. Your car's low tire pressure light may come on this week ...

    www.aol.com/cars-low-tire-pressure-light...

    If the light stays on, you'll want to add air to your tires using an air compressor, which you can find on a pay-to-use basis at a lot of gas stations (some folks also have one of their own in the ...

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