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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 131 (Engine Controls - Removal & Installation 4-Cylinder) >> Engine Sensors & Switches >> Knock Sensor >> Removal (MR2)

Removal (MR2)

WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 2003 Toyota Tacoma, 2003 Toyota RAV4, 2003 Toyota Prius, 2003 Toyota Matrix, and 2003 Toyota MR2. However, it is still accessible from the selected car via links, so may be relevant.
  1. Knock sensor is located on side of cylinder block. See Figure. Manufacturer states to remove engine and transaxle for access to knock sensor. See appropriate article in ENGINES.
  2. Disconnect coolant hoses from throttle body and vacuum hoses from intake manifold.
  3. Remove engine wiring harness from engine wiring harness brackets.
  4. Remove bolts/nuts, engine wiring harness brackets, intake manifold with throttle body and gasket. Using Oil Pressure Switch Socket (SST 09817-16011) or equivalent socket, remove knock sensor from cylinder block.
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