Fuel Injector - Inspection

1. Inspect fuel injector assembly

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1. Check the resistance.
   

   1. Using an ohmmeter, measure the resistance between the terminals.

      Standard resistance:

      11.6 to 12.4 Ω at 20°C (68°F)
      

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

2. Check the operation.

   CAUTION:

   Perform the inspection in a well-ventilated area.

   Do not perform the inspection near any naked flames.

   
   
   2. Connect SST (fuel tube connector) to SST (hose), then connect them to the fuel pipe (vehicle side).

      SST

      09268-31012 (90467-13001, 95336-08070, 09268-41500)
      

   3. Install the O-ring onto the fuel injector assembly.

   5. Connect SST (adapter and hose) to the injector assembly, and hold the injector assembly and union with SST (clamp).

      SST

      09268-31012 (09268-41110, 90467-13001, 95336-08070, 09268-41310)
      

   6. Set the injector assembly in a graduated cylinder.

      CAUTION:

      Install a suitable vinyl tube onto the injector assembly to prevent gasoline splashes.

   7. Operate the fuel pump (Click here ).

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

      SST

      09842-30080
      

      Injection volume:

      47 to 58 cm³ (2.9 to 3.5 cu in.) per 15 seconds
      

      Difference between each injector:

      11 cm³ (0.6 cu in.) or less
      

      NOTICE:

      Always do the switching at the battery side.

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

3. Check the leakage.
   

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

      Fuel drop:

      1 drop or less every 12 minutes