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Throttle Position Sensor

  1. Disconnect throttle position sensor connector. Check resistance between terminals No. 1 and 3. See Fig 1 . Total resistance should be 3500-6500 ohms.
  2. Attach ohmmeter between terminals No. 1 and 2. Operate throttle valve from closed to wide open throttle. Ensure resistance changes smoothly throughout entire range. Resistance should change from 500 ohms to approximately 3500-6500 ohms. If not to specification, replace TPS.
Fig 1: Checking Sonata Throttle Position Sensor
G122013Courtesy of HYUNDAI MOTOR CO.
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