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  2. Tell-tale (automotive) - Wikipedia

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

    A pair of lights indicate insufficient (cold, blue) and excessive (hot, red) engine temperature. [8] A single light usually indicates only an overheat condition in engine. In electric cars, it is usually to monitor the EV battery temperature and indicate the EV battery is overheating or is too cold to operate. One example is in a Nissan Leaf EV.

  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. On-board diagnostics - Wikipedia

    en.wikipedia.org/wiki/On-board_diagnostics

    Even more advanced devices allow users to reset engine DTC codes, effectively turning off engine lights in the dashboard; however, resetting the codes does not address the underlying issues and can in worst-case scenarios even lead to engine breakage where the source issue is serious and left unattended for long periods. [36] [37]

  5. Low-speed pre-ignition - Wikipedia

    en.wikipedia.org/wiki/Low-Speed_Pre-Ignition

    LSPI events are random and infrequent, and their effects on impacted vehicles can include very high-pressure spikes, loud knocking noises and sometimes catastrophic engine damage. [4] It's commonly known as "Detonation or Knock". Engine management systems can overcome pre ignition by the means of a knock or detonation sensor.

  6. Template:Opel engine codes - Wikipedia

    en.wikipedia.org/wiki/Template:Opel_engine_codes

    Opel engine codes explained 1. = Emissions controls 2./3. = Displacement (in tenths of liters) 4. = Compression ratio 5. = Fuel feed (only on gasoline engines) 5./6. = Special conditions

  7. Pre-ignition - Wikipedia

    en.wikipedia.org/wiki/Pre-ignition

    The reduced engine speeds allow more time for autoignition chemistry to complete thus promoting the possibility of pre-ignition and so called "mega-knock". Under these circumstances, there is still significant debate as to the sources of the pre-ignition event. [3] Pre-ignition and engine knock both sharply increase combustion chamber temperatures.

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

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

    Tire warning light on a car dashboard. But in cold weather, the TPMS may trigger a warning because of something completely natural. The air inside a tire condenses in colder weather, taking up ...

  9. Dieseling - Wikipedia

    en.wikipedia.org/wiki/Dieseling

    Dieseling (in the sense of engine run-on, and disregarding combustible gaseous mixtures via the air intake) can also occur in diesel engines, when the piston or seals fail due to overheating, admitting engine oil into the cylinder. A structurally failing diesel engine will often accelerate when the throttle is released, even after fuel ...