volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Fuel Injectors For Injection Quantity and Proper Seal, Checking|Page 4003 > < Fuel Injectors For Injection Quantity and Proper Seal, Checking|Page 4001
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Vehicles with engine code BDF, item 7.

Note the following when installing the fuel injectors:

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Replace O-rings on all fuel injectors and wet them slightly with clean motor oil.

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Insert fuel injectors into fuel rail perpendicular and in the right position, and secure them with retaining clips.

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Position fuel distributor with secured fuel injectors and apply uniform pressure to press it in.

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The connectors must audibly engage on valves when attached.

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Erase DTC memory of Engine Control Module (ECM), Diagnostic mode 4: Reset/erase diagnostic data. 

See: Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/With Generic Scan Tool/Diagnostic Mode 4:
Reset/Erase Diagnostic Data

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Generate readiness code. 

See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes

Fuel Injectors For Injection Quantity and Proper Seal, Checking|Page 4003 > < Fuel Injectors For Injection Quantity and Proper Seal, Checking|Page 4001