Passat Sedan L4-1781cc 1.8L Turbo (AEB) (1999)
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Disconnect all Fuel injector harness connectors
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Connect VAG 1527 B Voltage tester to cyl. 1 connector terminals using jumper wires from VW 1594 adaptor kit.
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Operate starter and check Voltage supply for cyl. 1 Fuel injector
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LED must flicker
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Repeat check at remaining injector connectors
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Switch OFF ignition.
If LED does not flicker for any cylinder checked:
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Connect VAG 1527B Voltage tester between cyl. 1 harness connector terminal 1 and Ground.
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Operate starter.