Jetta Sedan L5-2.5L (BGP) (2005)
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Harness connectors must be disconnected from fuel injectors.
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Remove seat bench
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Unclip cover - 1 - from fuel delivery unit. Arrow - 2 - points in direction of travel.
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Disconnect connector - 1 -.
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Using an adapter cable, connect terminal - 1 - of Fuel Pump (FP) to battery plus (+).
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Connect terminals - 5 - of connector and Fuel Pump (FP) using an adapter cable from connector test kit V.A.G 1594 C.
NOTE: The purpose of this step is to allow the Fuel Pump (FP) to run with the engine at standstill.
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Check injectors for leaks (visual inspection).
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Only 1 to 2 drops per minute may emit from each valve when fuel pump is running.
If fuel loss is greater:
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Disconnect connection to battery plus (+) and replace leaking fuel injector.