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2. Electronic throttle control - Wikipedia

   en.wikipedia.org/wiki/Electronic_throttle_control

   A typical ETC system consists of three major components: (i) an accelerator pedal module (ideally with two or more independent sensors), (ii) a throttle valve that can be opened and closed by an electric motor (sometimes referred to as an electric or electronic throttle body (ETB)), and (iii) a powertrain or engine control module (PCM or ECM). [4]

3. Throttle position sensor - Wikipedia

   en.wikipedia.org/wiki/Throttle_position_sensor

   A throttle position sensor (TPS) is a sensor used to monitor the throttle body valve position for the ECU of an engine. The sensor is usually located on the butterfly spindle/shaft, so that it can directly monitor the position of the throttle. More advanced forms of the sensor are also used. For example, an extra "closed throttle position ...

4. Sudden unintended acceleration - Wikipedia

   en.wikipedia.org/wiki/Sudden_unintended_acceleration

   Electronic throttle control, throttle position sensor fault or cruise control failure (see drive by wire) [11] Stuck throttle (unrelated to pedal position) [12] [13] Shorting of tin whiskers [14] [15] Diesel engine runaway: Diesel engine power is governed by the amount of fuel supplied. Excessive pressure in the crankcase can force mist of ...

5. OBD-II PIDs - Wikipedia

   en.wikipedia.org/wiki/OBD-II_PIDs

   Absolute throttle position C 49: 73: 1 Accelerator pedal position D 4A: 74: 1 Accelerator pedal position E 4B: 75: 1 Accelerator pedal position F 4C: 76: 1 Commanded throttle actuator 4D: 77: 2 Time run with MIL on 0 65,535 min + 4E: 78: 2 Time since trouble codes cleared 4F: 79: 4

6. Variator (variable valve timing) - Wikipedia

   en.wikipedia.org/wiki/Variator_(variable_valve...

   One of the first practical VVT systems used a variator to change the phase [note 1] of the camshaft and valves. This simple system cannot change the duration of the valve opening, or their lift. [note 2] Later VVT systems, such as the helical camshaft or the movable fulcrum systems, could change these factors too. Despite this limitation, the ...

7. Crankshaft position sensor - Wikipedia

   en.wikipedia.org/wiki/Crankshaft_position_sensor

   A crank sensor (CKP) [1] [2] [3] is an electronic device used in an internal combustion engine, both petrol and diesel, to monitor the position or rotational speed of the crankshaft. This information is used by engine management systems to control the fuel injection or the ignition system timing and other engine parameters.