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May 10, 2004 Service bulletin

Evaluating fuel mixture diagnostic trouble codes- how to perform effective diagnosis related to fuel...

Volkswagen technical service bulletin 0409 for 1999-2004 Volkswagen Jetta, 1999-2004 Volkswagen Passat and 1999-2004 Volkswagen Golf and others.

Bulletin number
0409
Component
Engine and engine cooling: engine
Summary
Evaluating fuel mixture diagnostic trouble codes- how to perform effective diagnosis related to fuel system adaptation - system too rich/too lean. Volkswagen. Mj

Owners of these vehicles have filed 1,349 complaints in the engine category.

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