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HOMESERVICE MANUALSTOYOTA20254RUNNER SR5, 4WDREPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROL SYSTEMSENGINE CONTROL SYSTEM - SERVICE INFORMATIONCAMSHAFT POSITION SENSORREMOVAL [12/2024 - ]PROCEDURE
2025 Toyota 4Runner SR5, 4WD

Removal [12/2024 - ]: Procedure

2025 Toyota 4Runner SR5, 4WDSECTION Procedure
  1. REMOVE CAMSHAFT POSITION SENSOR (for Intake Side) 
    1. GTY1193911Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disconnect the camshaft position sensor connector.
      2. Using an 8 mm socket wrench, remove the bolt and camshaft position sensor from the cylinder head cover sub-assembly.
        NOTE:

        If the camshaft position sensor has been struck or dropped, replace it.

      3. Perform this procedure only when reusing the camshaft position sensor.
        1. Remove the O-ring from the camshaft position sensor.
        NOTE:
        • Make sure to only remove the O-ring with bare hands.
        • When removing the O-ring, be careful not to damage the O-ring groove of the camshaft position sensor.
        • If the O-ring groove of the camshaft position sensor is damaged, replace the camshaft position sensor with a new one.
  2. REMOVE CAMSHAFT POSITION SENSOR (for Exhaust Side) 
    1. GTY1184834Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disconnect the camshaft position sensor connector.
      2. Using an 8 mm socket wrench, remove the bolt and camshaft position sensor from the cylinder head cover sub-assembly.
        NOTE:

        If the camshaft position sensor has been struck or dropped, replace it.

      3. Perform this procedure only when reusing the camshaft position sensor.
        1. Remove the O-ring from the camshaft position sensor.
        NOTE:
        • Make sure to only remove the O-ring with bare hands.
        • When removing the O-ring, be careful not to damage the O-ring groove of the camshaft position sensor.
        • If the O-ring groove of the camshaft position sensor is damaged, replace the camshaft position sensor with a new one.
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.