2005 Toyota MR2 C56FACTORY OEM SERVICE PROCEDURE

Engine Control System (SFI): Injector: Removal

  1. REMOVE SUSPENSION UPPER BRACE 
  2. REMOVE NO. 2 CYLINDER HEAD COVER 
  3. DISCONNECT PCV HOSE 
  4. DISCONNECT WIRE HARNESS CLAMPS 

    Disconnect the 3 wire harness clamps from the clamp brackets.

    Fig 1: Disconnecting Wire Harness Clamps From Clamp Brackets
    G02631008Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE INJECTORS 
    1. Disconnect the 4 injector connectors.
    2. Remove the 2 bolts holding the delivery pipe to the cylinder head.
    3. Disconnect the delivery pipe together with the 4 injectors from the cylinder head.
      NOTE: Be careful not to drop the injectors when disconnecting the delivery pipe.
    4. Remove the 2 spacers and 4 grommets.
    5. Pull out the 4 injectors from the delivery pipe.
    6. Remove the O-ring from each injector.
    Fig 2: Identifying Delivery Pipe Bolts
    G02631009Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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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.