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  2. Digifant engine management system - Wikipedia

    en.wikipedia.org/wiki/Digifant_Engine_Management...

    The engine coolant temperature sensor is located in the coolant flange,(under the distributor on the Polo Fox Coupe) on the front of the cylinder head (on transverse-engine vehicles). The bad earth/ground can be traced to an essential ground strap on the front upper transmission bolt.

  3. Internal combustion engine cooling - Wikipedia

    en.wikipedia.org/wiki/Internal_combustion_engine...

    Liquid-cooled engines usually have a circulation pump. The first engines relied on thermosiphon cooling alone, where hot coolant left the top of the engine block and passed to the radiator, where it was cooled before returning to the bottom of the engine. Circulation was powered by convection alone.

  4. Radiator (engine cooling) - Wikipedia

    en.wikipedia.org/wiki/Radiator_(engine_cooling)

    Once the coolant reaches the thermostat's activation temperature, it opens, allowing water to flow through the radiator to prevent the temperature from rising higher. Once at optimum temperature, the thermostat controls the flow of engine coolant to the radiator so that the engine continues to operate at optimum temperature.

  5. Engine coolant temperature sensor - Wikipedia

    en.wikipedia.org/?title=Engine_coolant...

    Retrieved from "https://en.wikipedia.org/w/index.php?title=Engine_coolant_temperature_sensor&oldid=829473379"

  6. Cylinder Head Temperature gauge - Wikipedia

    en.wikipedia.org/wiki/Cylinder_Head_Temperature...

    The ring under the spark plug is used to transfer the heat from the plug to the thermocouple. The gauge and cold junction are usually calibrated at room temperature, 72 °F (22 °C). Because the thermocouple is calibrated for room temperature, the gauge readings will only be 100% accurate at that engine compartment temperature.

  7. Engine control unit - Wikipedia

    en.wikipedia.org/wiki/Engine_control_unit

    Delco ECU used in General Motors vehicles built in 1996. An engine control unit (ECU), also called an engine control module (ECM), [1] is a device that controls various subsystems of an internal combustion engine.

  8. List of Volkswagen Group petrol engines - Wikipedia

    en.wikipedia.org/wiki/List_of_Volkswagen_Group...

    The coolant pump / thermostat unit is located under the intake manifold regardless of generation, model year or application. The thermostat side is joined by a plastic union directly to the engine oil cooler, which in turn is mounted to and is an integral part of the ancillary / alternator bracket (also includes the oil filter housing in all ...

  9. Talk:Engine coolant temperature sensor - Wikipedia

    en.wikipedia.org/wiki/Talk:Engine_coolant...

    The fuel injection computer will control injection timing (i.e. fuel quantity) on a number of factors, including temperature. If it's given an incorrect temperature reading, then it will mis-fuel. If the ECU thinks the engine is cold, it will use the cold-start settings, possibly over-fuelling dramatically, with a result of increased HC ...

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