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Volkswagen Workshop Manuals > Golf Mk4 > Power unit > 4-cylinder injection engine (5-valve) > Mixture preparation system, electronic inj.,Gas > Repairing injection system > Removing and installing parts of injection system
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![Volkswagen Workshop Manuals > Golf Mk4 > Power unit > 4-cylinder injection engine (5-valve) > Mixture preparation system, electronic inj.,Gas > Repairing injection system > Engine codes overview ARZ, AUM and AUQ Volkswagen Workshop Manuals > Golf Mk4 > Power unit > 4-cylinder injection engine (5-valve) > Mixture preparation system, electronic inj.,Gas > Repairing injection system > Engine codes overview ARZ, AUM and AUQ](https://workshop-manuals.com/volkswagen/golf-mk4/images/golf-mk4-8635.png)
Volkswagen Workshop Manuals > Golf Mk4 > Power unit > 4-cylinder injection engine (5-valve) > Mixture preparation system, electronic inj.,Gas > Repairing injection system > Engine codes overview ARZ, AUM and AUQ
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