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  2. Harley-Davidson Twin Cam engine - Wikipedia

    en.wikipedia.org/wiki/Harley-Davidson_Twin_Cam...

    Harley-Davidson Twin Cam engine at the Harley-Davidson Museum. The Harley-Davidson Twin Cam are motorcycle engines made by Harley-Davidson from 1998 to 2017. Although these engines differed significantly from the Evolution engine, which in turn was derived from the series of single camshaft, overhead valve motors that were first released in 1936, they share a number of characteristics with ...

  3. Engine control unit - Wikipedia

    en.wikipedia.org/wiki/Engine_control_unit

    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. Systems commonly controlled by an ECU include the fuel injection and ignition systems.

  4. Electronic control unit - Wikipedia

    en.wikipedia.org/wiki/Electronic_control_unit

    An ECU from a Geo Storm. An electronic control unit (ECU), also known as an electronic control module (ECM), is an embedded system in automotive electronics that controls one or more of the electrical systems or subsystems in a car or other motor vehicle.

  5. Electronic throttle control - Wikipedia

    en.wikipedia.org/wiki/Electronic_throttle_control

    The ECM is a type of electronic control unit (ECU), which is an embedded system that employs software to determine the required throttle position by calculations from data measured by other sensors, including the accelerator pedal position sensors, engine speed sensor, vehicle speed sensor, and cruise control switches.

  6. Harley-Davidson of Frederick to close secondary shop in ... - AOL

    www.aol.com/harley-davidson-frederick-close...

    Harley-Davidson of Williamsport is known as a secondary retail location and Vantucci's main store, Harley-Davidson of Frederick, is on Urbana Pike in Frederick, Bailey said. That dealership has ...

  7. Powertrain control module - Wikipedia

    en.wikipedia.org/wiki/Powertrain_control_module

    ECM: Engine control module; Injection control unit (Peugeot, [2] Citroën, Fiat, Alfa, Lancia) DME/DDE: Digital Motor Electronics / Digital Diesel Electronics (BMW, [3] Mini) ECU: Electronic control unit / Engine control unit

  8. Harley-Davidson Milwaukee-Eight engine - Wikipedia

    en.wikipedia.org/wiki/Harley-Davidson_Milwaukee...

    The Harley-Davidson Milwaukee-Eight engine is the ninth generation of "big twin" engines developed by the company, but only Harley's fourth all-new Big Twin in 80 years, first introduced in 2016. These engines differ from the traditional Harley Big Twin engines in that there are four valves per cylinder, totaling eight valves, hence the name.

  9. Harley-Davidson Shovelhead engine - Wikipedia

    en.wikipedia.org/wiki/Harley-Davidson_Shovelhead...

    This gave the new engine an extra 10 horsepower, along with a different appearance. [1] The engine gained the nickname “Shovelhead” because its rocker covers look a little bit like an upside-down coal shovel. [2] While the engine did have problems, it gave Harley-Davidson a 26% sales increase during the early part of its timeline. [3]