2006 Mazda 6 i, 4D Sedan, AutomaticFACTORY OEM SERVICE PROCEDURE

Engine Coolant Temperature (ECT) Sensor Removal/Installation

WARNING:
  • A hot engine can cause severe burns. Turn off the engine and wait until it is cool before removing the ECT sensor.
  1. Drain the engine coolant. (See COOLING SYSTEM SERVICE WARNINGS ).
  2. Disconnect the ECT sensor connector.
  3. Remove the ECT sensor.
  4. Install in the reverse order of removal.

    Tightening torqueΒ 

    10-14 N.mΒ 

    {1.02-1.42 kgf.m, 7.38-10.32 ft.lbf}Β 

  5. Refill the engine coolant. (See COOLING SYSTEM SERVICE WARNINGS ).
    Fig 1: Locating Engine Coolant Temperature (ECT) Sensor
    G04325162Courtesy of MAZDA MOTORS CORP.
Factory Service Tools

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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.