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Most newer automobiles (cars and trucks) utilize a microprocessor that controls many engine functions. Such as fuel pressure/volume, ignition timing, and emissions control systems. It is sometimes called the Electronic Engine Control system (EEC). There are after market processors that can boost horsepower in some applications, these are sometimes referred to as "the chip". Others can be reprogrammed by using a serial port connection to another computer and a special program. Then like everything else some cars also use microprocessors to control the air conditioning, radio, ride stabilisation anti-lock brakes, anti-theft devices, and even the door, headlight, and key chimes.

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16y ago

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