Jetta L4-2.0L (AEG) (2000)
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VAG1348/3A remote control with VAG1348/3-2 adapter cable
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V.A.G 1602 tester for quantity of injected fuel
Without illustration:
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VAG1594A connector test kit
Test requirement
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Fuel pressure must be OK, check, fuel pressure regulator and retaining pressure, checking. See: Computers and Control Systems/Testing and
Inspection/Component Tests and General Diagnostics/Fuel Pressure Regulator and Residual Pressure, Checking
Test sequence
CAUTION: 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 See: Engine, Cooling and Exhaust/Engine/Intake Manifold/Service and Repair
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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Remove air hose for air cleaned fuel injectors at air pipe (item 4 ).
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Lift fuel rail with fuel injectors off lower part of intake manifold and support it.
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Connect test box to control module wiring harness, connect test box for wiring test. See: Computers and Control Systems/Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting/With Generic Scan Tool/Test Box, Connecting For Wiring
Test
Checking Proper Seal
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Switch ignition on.
Vehicles with engine code AEG