Passat GLS Wagon L4-1.8L Turbo (AUG) (2001)
NOTE: Always use new sealing rings.
Checking Injection Quantity
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Place a fuel injector to be tested into a graduated measuring glass of tester for quantity of injected fuel VAG 1602.
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Use adapter cables from the VAG 1594 connector test kit to connect one terminal of tested fuel injector to engine Ground (GND).
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Use adapter cable to connect second terminal of fuel injector to VAG 1348/3 remote control with VAG 134813-2 adapter wire.
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Connect alligator clip to B+.
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Bridge test box sockets 1 and 65 using auxiliary wires from VAG 1594 connector test kit.
NOTE: The only purpose of this step is to allow the Fuel Pump (FP) to run with the engine at standstill.
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Switch ignition on.
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Operate VAG 1348/3 remote control for 30 seconds.
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Repeat test on other fuel injectors. Use new graduated measuring glasses for this.
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After all fuel injectors have been activated, place graduated measuring glasses on a level surface and compare quantity of injected fuel.
Specification: 133 to 157 ml. per injector
NOTE: If the measured value of one or more fuel injectors is below or above the indicated specified value:
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Replace faulty fuel injector
Installation of fuel injectors is the same in reverse order. Note the following:
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Replace O-rings on all fuel injectors and wet them slightly with clean motor oil.
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Insert fuel injectors into fuel rail perpendicular and in the right position, and secure them with retaining clips.
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Position fuel distributer on intake manifold using secured fuel injectors and apply uniform pressure to press it in.