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Avalon & Camry

  1. Manufacturer recommends removing throttle body for access to EGR gas temperature sensor. See appropriate REMOVE/INSTALL/OVERHAUL article. Remove EGR gas temperature sensor. EGR gas temperature sensor is screwed into bottom of pipe that EGR valve is mounted on.
  2. Place threaded end of EGR gas temperature sensor and thermometer in container of oil. Attach ohmmeter between electrical terminals on EGR gas temperature sensor.
  3. Heat oil and note resistance at specified temperature. See EGR GAS TEMPERATURE SENSOR RESISTANCE  table. Replace EGR gas temperature sensor if resistance is not within specification. Reinstall EGR gas temperature sensor.
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