Jetta GLX V6-2.8L (AFP) (2002)
Fuel Injector: Testing and Inspection
Fuel Injectors, Checking
With Manufacturer's Scan Tool
Fuel Injectors, Checking
Special tools and equipment
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VAG1598/31 test box
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Multimeter (Fluke 83 or equivalent)
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VAG1527B voltage tester
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VW1594 adapter set
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Wiring diagram
Test requirements
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Fuses 28 and 32 OK
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Engine speed sensor OK (checking). Refer under "Powertrain Management/Computers and Control Systems/Engine Speed Sensor", See:
Computers and Control Systems/Engine Speed Sensor/Testing and Inspection
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Battery voltage at least 11.5 V
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Fuel pump relay OK
Test procedure
WARNING!
Fuel system is under pressure! Before opening the system place a cloth around the connection. Then release pressure by carefully loosening the
connection.
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Remove intake manifold upper section.
NOTE: Seal the intake ports in the intake manifold lower section or in cylinder head with a clean cloth.
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Disconnect harness connectors from fuel injectors.
Checking resistance of fuel injectors