2004 Toyota Sienna CEFACTORY OEM SERVICE PROCEDURE

Engine Fuel System: Inspection

  1. INSPECT FUEL INJECTOR ASSEMBLY 
    1. Inspect injector resistance
      1. Using an ohmmeter, measure the resistance between the terminals.

      Resistance: 13.4 to 14.2 Ω at 20°C (68°F) 

      If the resistance is not as specified, replace the injector.

    2. Inspect injector operation.
      CAUTION: This test involves high-pressure fuel and electricity. Take every precaution regarding safe handling of both the fuel and the electricity. Preform this test in a safe area, and avoid any sparks or flame. Do not smoke.
      1. Obtain new No. 1 fuel pipe (part No. 23801 -20171) and remove the fuel tube connector from the pipe.
        Fig 1: Identifying Fuel Tube Connector
        G03061976Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Install the fuel tube connector to SST (hose), then connect the tube connector and the fuel pipe.

        SST 09268-41047 (95336-08070)

        Fig 2: Installing Fuel Tube Connector To SST (Hose)
        G03061977Courtesy 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.