2004 Kia Spectra Base, 1.8 1, AutomaticFACTORY OEM SERVICE PROCEDURE

Throttle Position (TP) Sensor: Inspection

  1. Disconnect connector from throttle position sensor.
  2. Connect ohmmeter between sensor terminals 1 and 3.
  3. Verify that resistance increases linearly according to throttle angle.

    Specification: 2 kΞ© +/- 0.4 KΞ© (with throttle valve closed)Β 

    Fig 1: Illustrating Throttle Position Sensor Connector
    G02537037Courtesy of KIA MOTORS AMERICA, INC.
  4. If resistance is not as specified, replace the throttle position sensor.
  5. Connect throttle position sensor connector.
    Fig 2: TPS Resistance Chart
    G02537038Courtesy of KIA MOTORS AMERICA, INC.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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