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2. 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.

3. Engine tuning - Wikipedia

   en.wikipedia.org/wiki/Engine_tuning

   Aftermarket part manufacturers are often the OEM part-suppliers to major engine manufacturers. [4] A "top overhaul" is composed of the replacement of components inside the cylinder head without removing the engine from the vehicle, such as valve and rocker arm replacement. It may include a "valve job". A "major overhaul" is composed of the ...

4. Electronic control unit - Wikipedia

   en.wikipedia.org/wiki/Electronic_control_unit

   Other controllers – All other controller names are decided upon by the individual OEM. The engine controller may have several different names, such as "DME", "Enhanced Powertrain", "PGM-FI" and many others. Door control unit (DCU) Engine control unit (ECU) – not to be confused with electronic control unit, [4] the generic term for all these ...

5. MegaSquirt - Wikipedia

   en.wikipedia.org/wiki/MegaSquirt

   MegaSquirt is a general-purpose aftermarket electronic fuel injection (EFI) controller designed to be used with a wide range of spark-ignition internal combustion engines (i.e., non-diesel engines.) MegaSquirt was designed by Bruce Bowling and Al Grippo in 2001.

6. Automotive aftermarket - Wikipedia

   en.wikipedia.org/wiki/Automotive_aftermarket

   The automotive aftermarket is the secondary parts market of the automotive industry, concerned with the manufacturing, remanufacturing, distribution, retailing, and installation of all vehicle parts, chemicals, equipment, and accessories, after the sale of the automobile by the original equipment manufacturer (OEM) to the consumer. The parts ...

7. 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.