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Removal (Prius)

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WARNING: Read service precautions before proceeding with service procedure. See SERVICE PRECAUTIONS .
  1. Manufacturer states throttle body and intake manifold must be removed for access to knock sensor. Knock sensor is located on side of cylinder block. See Figure.
  2. Ensure service plug is removed from service plug assembly. See SERVICE PRECAUTIONS . Remove throttle body. See THROTTLE BODY  under FUEL SYSTEMS. Remove engine oil dipstick and tube with "O" ring if necessary for access to intake manifold.
  3. Remove bolts/nuts, intake manifold and gasket from cylinder head. Disconnect electrical connector at knock sensor. Using Socket (SST 09816-30010), remove knock sensor from cylinder block.
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