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volkswagen Workshop Repair Guides


Eos (1F7) V6-3.2L (BUB) (2008)

Powertrain Management > Fuel Delivery and Air Induction > Fuel Injector > Component Information > Testing and Inspection > Fuel Injectors, Leak and Injection Quantity, Checking > Page 3222

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‹› Replace O-rings on all injectors and lightly lubricate with clean engine oil.

‹› Install fuel injectors into the fuel rail perpendicular and in the correct position, and secure them with the retaining clips.

‹› Position the fuel rail with secured fuel injectors onto the cylinder head and apply uniform pressure to press it in.

‹› If fuel injectors are replaced, erase the adaptation values and adapt the Engine Control Module (ECM) again. Refer to "Guided Functions" in the

vehicle diagnostic tester.

Injection Quantity, Checking

‹› Fuel pressure must be OK, checking, refer to => [ Fuel Pressure Regulator and Residual Pressure, Checking ] See: Fuel Pressure

Regulator/Testing and Inspection.

‹› Intake manifold is removed.

‹› Fuel injectors are installed in the fuel rail and the fuel line connected.

Procedure

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Place a fuel injector to be tested into a graduated measuring glass from (V.A.G 1602).

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Remove the rear seat bench.

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Remove the cover from the fuel delivery unit.

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First, gently pull on the connector - arrow - without pressing the retainer to make sure it is securely connected. If the connector was not connected
correctly, it could cause a fault.

Powertrain Management > Fuel Delivery and Air Induction > Fuel Injector > Component Information > Testing and Inspection > Fuel Injectors, Leak and Injection Quantity, Checking > Page 3222

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