A4 V6-3.0L (AVK) (2004)
Checking injection quantity
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Place injector which is to be tested in a measuring glass from injection quantity tester VAG 1602.
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Connect one injector terminal to engine Ground using a test lead and alligator clip from VAG 1594 A.
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Connect second injector terminal to positive using remote control VAG 1348/3A, adapter lead VAG 1348/3-2 and auxiliary cable.
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Bridge terminals 1 and 65 at test box using leads from adapter kit VAG 1594 A.
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Switch ignition on.
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The fuel pump should run.
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Activate remote control VAG 1348/3 A for 30 seconds.
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When all three injectors of a cylinder bank have been activated, place three measuring glasses on a flat surface.
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Specification per injector: 90 to 125 ml
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If measured values for one or more injectors are outside tolerance range, stop fuel pump (switch off ignition) and replace faulty injector.
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Repeat test on injectors from second bank of cylinders.
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If measured values for all injectors are outside tolerance range, check fuel pressure.
NOTE: When checking the injection quantity, also check the spray pattern. The spray pattern should be the same for all the injectors.
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Install injectors with fuel rail.