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HOMESERVICE MANUALSHYUNDAI2003ACCENT BASEREPAIR AND DIAGNOSIS (SINGLE PAGE)EXTERNAL PAGESDIFFERENT CARSECTION 16 (FUEL SYSTEM)GASOLINE ENGINE CONTROL SYSTEMENGINE COOLANT TEMPERATURE SENSOR (ECTS)SENSOR INSPECTION
2003 Hyundai Accent Base

Sensor Inspection

2003 Hyundai Accent BaseSECTION Sensor Inspection
WARNING: This page is about a different car, the 2005 Hyundai Accent and 2004 Hyundai Accent. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the engine coolant temperature sensor from the intake manifold.
  2. With the temperature sensing portion of the engine coolant temperature sensor immersed in hot water, check resistance.
    COOLANT TEMPERATURE SENSOR RESISTANCE SPECIFICATIONS

    Temperature Β°C (Β°F) Resistance (kΞ©)
    -30 (-22) 22.22~31.78
    -10 (14) 8.16~10.74
    0 (32) 5.18~6.60
    20 (68) 2.27~2.73
    40 (104) 1.059~1.281
    60 (140) 0.538~0.650
    80 (176) 0.298~0.322
    90 (194) 0.219~0.243
    Fig 1: Check Engine Coolant Temperature Sensor Resistance
    G03851588Courtesy of HYUNDAI MOTOR CO.
  3. If the resistance greatly deviates from the standard value, replace the sensor.
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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.