A4 Sedan V6-2.8L (AFC) (1996)
Injector Test
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Connect one terminal from fuel injector to be tested to GND using test harness and clip from VW 1594 connector test kit.
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Connect second terminal of fuel injector to B+ using remote control VAG 1348/3A, adapter harness VAG 1348/3-2 or equivalent, and a test
harness.
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Use scan tool "Output Diagnostic Test Mode" function 03 to trigger fuel pump relay -J17-.
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Operate remote control VAG 1348/3A for 30 seconds.
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After each 30 second fuel injector fill, place measuring container on level surface (to facilitate accurate reading) and record fuel quantity
delivered.
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Specified quantity per fuel injector: 85-110 ml (2.9-3.7 oz.).
If the measured quantity of one or more of the fuel injectors is greater or less than the specified value:
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Replace faulty fuel injector(s).
To complete the test:
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Repeat test on fuel injectors in second bank of cylinders.
If measured values of all fuel injectors are greater or less than specified value:
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Check system pressure.
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Install fuel injectors in the reverse order of removal.
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Replace O-rings for all fuel injectors and moisten slightly with clean engine oil.
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Slide fuel injectors vertically and in correct positions into fuel rail and secure with retaining clips.
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Install fuel rail (complete with fuel injectors) into intake manifold by pressing it evenly all around.