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  2. OBD-II PIDs - Wikipedia

    en.wikipedia.org/wiki/OBD-II_PIDs

    The resulting five-character code, e.g. "U0158", can be looked up in a table of OBD-II DTCs to get an actual description of what it represents. Of note, whilst some blocks of DTC code ranges have generic meanings that apply to all vehicles and manufacturers, the meanings of others can vary per manufacturer or even model.

  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 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.).

  4. On-board diagnostics - Wikipedia

    en.wikipedia.org/wiki/On-board_diagnostics

    Each of the EOBD fault codes consists of five characters: a letter, followed by four numbers. [26] The letter refers to the system being interrogated e.g. Pxxxx would refer to the powertrain system. The next character would be a 0 if complies to the EOBD standard. So it should look like P0xxx. The next character would refer to the sub system.

  5. Vehicle identification number - Wikipedia

    en.wikipedia.org/wiki/Vehicle_identification_number

    VIN on a Chinese moped VIN on a 1996 Porsche 993 GT2 VIN visible in the windshield VIN recorded on a Chinese vehicle licence. A vehicle identification number (VIN; also called a chassis number or frame number) is a unique code, including a serial number, used by the automotive industry to identify individual motor vehicles, towed vehicles, motorcycles, scooters and mopeds, as defined by the ...

  6. MAP sensor - Wikipedia

    en.wikipedia.org/wiki/MAP_sensor

    Engine speed (RPM) is also used to determine where on a look up table to determine fuelling, hence speed-density (engine speed / air density). The MAP sensor can also be used in OBD II (on-board diagnostics) applications to test the EGR (exhaust gas recirculation) valve for functionality, an application typical in OBD II equipped General Motors ...

  7. Powertrain control module - Wikipedia

    en.wikipedia.org/wiki/Powertrain_control_module

    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. Most of them are oriented toward engine management and performance.

  8. List of Toyota model codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Toyota_model_codes

    Model code of a Toyota Yaris (XP150) written on the VIN plate. The following model codes have been used by Toyota.The letters of the model code is found by combining the letters of the engine code with the platform code.

  9. 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

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