4 Runner 4WD L4-2.7L (3RZ-FE) (1996)
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Install the O-ring to the injector.
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Connect SST (union and hose) to the injector, and hold the injector and union with SST (clamp). SST 09268-41046
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Put the injector into a graduated cylinder.
HINT: Install a suitable vinyl hose onto the injector to prevent gasoline from splashing out.
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Connect the TOYOTA hand-held tester to the DLC3.
(See on-vehicle inspection in fuel pump)
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Connect SST (wire) to the injector and battery for 15 seconds, and measure the injection volume with a graduated cylinder Test each injector 2
or 3 times. SST 09842-30070
Volume: 69 - 88 cu.cm (4.2 - 5.4 cu.in.) per 15 seconds
Difference between each injector: 5 cu.cm (0.3 cu.in.) or less
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If the injection volume is not as specified, replace the injector.
2. INSPECT LEAKAGE
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In the condition above, disconnect the test probes of SST (wire) from the battery and check the fuel leakage from the injector.
SST 09842-30070
Fuel drop: 1 drop or less per 3 minutes
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Turn the ignition switch to LOOK.
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Disconnect the negative (-) terminal cable from the battery.
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Remove the SST and TOYOTA hand-held tester.
SST 0926841045
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Reinstall the fuel pressure regulator and fuel inlet pipe.