Engine Temperature Sensor: Testing and Inspection

1998 Suzuki Esteem GLX Sedan Plus L4-1.6LSECTION Testing and Inspection




Immerse temperature sensing part of ECT sensor in water (or ice) and measure resistance between sensor terminals while heating water gradually.





If measured resistance doesn't show such characteristic as shown in above figure, replace ECT sensor.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

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

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