Boost Pressure Sensor (BPS)
WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
 Courtesy of HYUNDAI MOTOR AMERICA
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Boost Pressure Sensor (BPS) is mounted between turbo charger and intake manifold, and it senses inner pressure supercharged by turbo charger. ECM determines suitable fuel ratio with the pressure of intake manifold and intake air amount measured by MAP sensor.