Engine Coolant Temperature Sensor: Removal: Removal

2012 Toyota Prius ThreeSECTION Removal
  1. REMOVE EGR WITH COOLER PIPE SUB-ASSEMBLY 
    1. Remove the EGR with cooler pipe sub-assembly. Refer to REMOVAL .
  2. REMOVE INVERTER RESERVE TANK ASSEMBLY  See step  5
  3. REMOVE ENGINE COOLANT TEMPERATURE SENSOR 
    1. Disconnect the engine coolant temperature sensor connector.
    2. Remove the engine coolant temperature sensor.
      Fig 1: Identifying E.F.I. Engine Coolant Temperature Sensor, Connector & O-Ring
      GTY212950Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
RENDER: 1.0x

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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.