volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Fuel Injectors For Injection Quantity and Proper Seal, Checking|Page 3905 > < Fuel Injectors For Injection Quantity and Proper Seal, Checking|Page 3903
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V.A.G 1348/3A remote control connection with V.A.G 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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V.A.G 1594A Connector test set

Test requirement

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Fuel pressure must be OK, fuel pressure regulator and retaining pressure, checking.  See: Fuel Pressure/Testing and Inspection

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

Test sequence

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First, remove intake hose between Mass Air Flow (MAF) sensor and intake air scoop.

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Pull connectors -1- off connection -2- of all fuel injectors.

Fuel Injectors For Injection Quantity and Proper Seal, Checking|Page 3905 > < Fuel Injectors For Injection Quantity and Proper Seal, Checking|Page 3903