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  2. 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.

  3. Sudden unintended acceleration - Wikipedia

    en.wikipedia.org/wiki/Sudden_unintended_acceleration

    Throttle butterfly valves may become sluggish in operation or may stick in the closed position. When the driver pushes harder on the right foot, the valve may "pop" open to a point greater than that wanted by the driver, thus creating too much power and a lurch forward.

  4. Nissan Altima - Wikipedia

    en.wikipedia.org/wiki/Nissan_Altima

    The Altima grew significantly for this generation, as interior volume expanded to 118.8 cubic feet (3.36 m 3). The Altima's interior dimensions even surpassed that of the higher-end 2000-03 Maxima, so the 2004 Maxima was moved more upscale into the full-size bracket. Also, the biggest in class was the Altima's 20 US gal (76 L; 17 imp gal) fuel ...

  5. 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]

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  7. Throttle - Wikipedia

    en.wikipedia.org/wiki/Throttle

    In fuel injected engines, the throttle body is the part of the air intake system that controls the amount of air flowing into the engine, in response to driver accelerator pedal input in the main. The throttle body is usually located between the air filter box and the intake manifold, and it is usually attached to, or near, the mass airflow sensor.

  8. Manifold vacuum - Wikipedia

    en.wikipedia.org/wiki/Manifold_vacuum

    Manifold vacuum, or engine vacuum in a petrol engine is the difference in air pressure between the engine's intake manifold and Earth's atmosphere.. Manifold vacuum is an effect of a piston's movement on the induction stroke and the airflow through a throttle in the intervening carburetor or throttle body leading to the intake manifold.

  9. Nissan VQ engine - Wikipedia

    en.wikipedia.org/wiki/Nissan_VQ_engine

    The VQ is a family of V6 automobile petrol engines developed by Nissan and produced in displacements varying from 2.0 L to 4.0 L. Designed to replace the VG series, the all-aluminium 4-valve per cylinder DOHC design debuted with Nissan's EGI/ECCS sequential multi-point fuel injection (MPFI) system.