volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Fuel Injectors For Leaks and Quanity Injected, Checking|Page 2913 > < Fuel Injectors For Leaks and Quanity Injected, Checking|Page 2911
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Recommended special tools and equipment

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VAG 1348/3A remote control with VAG 1348/3-2 adapter cable

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V.A.G 1602 tester for quantity of injected fuel

Without illustration:

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VAG 1594A connector test kit

Test requirement

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Fuel pressure must be OK.  See: Fuel Pressure/Testing and Inspection

Test sequence

WARNING:  Fuel system is under pressure. Before opening system, place rags around the connection point. Then release pressure by carefully
loosening connection.

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Remove upper part of intake manifold.

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Intake manifold, upper part, disassembling and assembling:
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Vehicles with engine code AEG, AVH, AZG.

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Vehicles with engine code BDC.

NOTE:  Seal the intake channels in lower part of intake manifold using a clean rag.

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Disconnect fuel injector connectors.

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Disconnect vacuum hose from fuel pressure regulator.

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Remove mounting bolts from fuel distributor.

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Disconnect air hose for air cleaned fuel injectors at air pipe:
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Vehicles with engine code AEG, AVH, AZG, Item 5.

Fuel Injectors For Leaks and Quanity Injected, Checking|Page 2913 > < Fuel Injectors For Leaks and Quanity Injected, Checking|Page 2911