FUEL INJECTOR INSPECTION


  1. INSPECT FUEL INJECTOR ASSEMBLY


    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 20°C (68°F) 11.6 to 12.4 Ω

      If the result is not as specified, replace the fuel injector assembly.

  2. INSPECT INJECTION VOLUME AND LEAKAGE


    1. Check the injection volume.

      CAUTION:

      This test involves high-pressure fuel and electricity, therefore, safety precautions should be taken. Perform this test in a safe area and avoid any sparks and flames. Do not smoke.


      1. Discharge the fuel system pressure Click here.

      2. Remove the fuel hose from the fuel pressure pulsation damper Click here.

      3. Remove the fuel hose from the fuel filter Click here.

      4. Disconnect the fuel pressure regulator Click here.

        Note

        Do not disconnect the No. 2 fuel hose.

      5. A01DPV2E01
        Text in Illustration
        *1 SST (Union)
        *2 SST (Hose Band)
        *3 SST (Fuel Tube Connector)
        *4 SST (3 Way)
        *5 SST (Hose)
        *6 SST (Adapter)
        *7 Fuel Pressure Regulator
        *8 Fuel Injector
        *9 SST (Clamp)
        *10 Fuel Filter

        Assemble SST as shown in the illustration.

        SST
        09268-31014   ( 09268-41091, 09268-41110, 09268-41120, 09268-41310, 09268-41500, 09268-41700, 95336-08070 )
      6. A01DSQEE01
        Text in Illustration
        *1 SST (Fuel Tube Connector)
        *2 Fuel Filter

        Connect SST to the fuel filter.

        SST
        09268-31014   ( 09268-41500 )
      7. A01DO1XE01
        Text in Illustration
        *1 Fuel Pressure Regulator
        *2 SST (Hose Band)
        *3 SST (Union)
        *4 SST (Hose)

        Install the pressure regulator to SST (union) with the 2 bolts.

        SST
        09268-31014   ( 09268-41091, 09268-41700, 95336-08070 )
        Torque:
        8.5 N*m  { 87 kgf*cm, 75 in.*lbf }

        Note

        Make sure that the O-ring is installed to the pressure regulator.

      8. Install the O-ring to the injector.

      9. A01DLTKE01
        Text in Illustration
        *1 Vinyl Tube
        *2 SST (Clamp)
        *3 SST (Hose)
        *4 SST (Hose Band)
        *5 SST (Adaptor)

        Assemble SST as shown in the illustration.

        SST
        09268-31014   ( 09268-41110, 09268-41310, 09268-41700, 95336-08070 )
      10. A01DT1AE01
        Text in Illustration
        *1 SST (Tie Band)
        *2 Lock

        Pass SST (tie band) through the loop on the handle of SST (clamp) to secure SST (clamp) to SST (adapter).

        SST
        09268-31014   ( 09268-41800 )

        Note


        • As SST (tie band) does not completely prevent SST (clamp) from becoming loose, do not subject the parts to any impacts while using them.

        • Before using SST (tie band), make sure that there is no deterioration, damage or cracks. If there are any abnormalities, replace SST.

        Tech Tips

        When removing SST (tie band), disengage the lock.

      11. Check that SST (clamp) and SST (adapter) cannot be easily separated.

      12. Put the injector into a graduated cylinder.

        CAUTION:

        Install a suitable vinyl tube to the injector to contain any gasoline spray.

      13. Operate the fuel pump Click here.

      14. A01DPYCE01
        Text in Illustration
        *1 SST (Wire)
        A01DQPB Connect

        Connect SST (wire) to the injector and the battery for 15 seconds and measure the injection volume with a graduated cylinder. Test each injector 2 or 3 times.

        SST
        09842-30080
        Standard injection volume
        71 to 86 cm3 (4.3 to 5.2 cu in.) per 15 seconds
        Difference between each injector
        15 cm3 (0.9 cu in.) or less

        Note


        • Make sure that SST (EFI inspection wire H) is securely connected.

        • Always do the switching at the battery side.

        If the injection volume is not as specified, replace the injector.

    2. Check the leakage.


      1. In the condition above, disconnect the tester probes of SST (wire) from the battery and check the fuel leakage from the injector.

        Fuel leakage
        1 drop or less in 12 minutes