New Beetle L4-1.8L Turbo (AWP) (2003)
Fuel Injector: Testing and Inspection
Fuel Injectors, Checking
With Manufacturer's Scan Tool
Fuel Injectors, Checking
Special tools, test equipment and auxiliary items
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VAG 1551 scan tool or VAG 1552 mobile scan tool with VAG 1551/3B cable
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VAG 1598/31 test box
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VAG 1526 hand multimeter or VAG 1715 multimeter
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VAG 1527 voltage tester
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VAG 1594 adapter set
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Electrical Wiring Diagram
Test conditions
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All fuses must be OK
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Engine Speed (RPM) Sensor -G28- must be OK, checking. See: Computers and Control Systems/Testing and Inspection/Component Tests and
General Diagnostics/Engine Speed (RPM) Sensor, Checking
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Battery voltage must be at least 11.5 V
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Fuel pump relay must be OK
Test sequence
Checking resistance of fuel injectors
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Disconnect connectors from fuel injectors.