Golf L4-2.0L (ABA) (1996)
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Check wiring between test box and connector for open circuit according to wiring diagram.
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No. 1 cyl. fuel injector: terminal 2 and test box socket 24
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No. 2 cyl. fuel injector: terminal 2 and test box socket 25
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No. 3 cyl. fuel injector: terminal 2 and test box socket 26
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No. 4 cyl. fuel injector: terminal 2 and test box socket 02
Resistance: Maximum 1.5 ohms
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Check wiring between fuel injector connector terminal 1 and relay panel for open circuit according to wiring diagram.
Resistance: Maximum 1.5 ohms
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Additionally, check wires for short circuit to one another.
Specification: Infinite Ohms
Checking Resistance Of Fuel Injectors
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Check resistance of fuel injectors individually
Specification: 15-20 ohms
If the specification is not attained, replace fuel injectors as necessary.
Checking Spray Pattern And Checking For Leaks
WARNING:
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DO NOT Smoke Or Work Near Heaters Or Other Fire Hazards When Working On Fuel System.
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The Fuel System Is Pressurized! Before Loosening Hose Connections Or Opening The Test Connection, Wrap A Cloth Around The Connection.
Then Release Pressure By Slowly Disconnecting The Hose/fitting.
Special Tools, Testers And Auxiliary Items
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Connector test kit VW 1594
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VAG 1630 digital potentiometer
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VAG 1602 fuel analyzer
Test Sequence
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Remove intake manifold, upper.
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Remove fuel rail complete with fuel injectors.
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Hold Fuel Injectors In VAG 1602 Fuel Analyzer.