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Audi Workshop Manuals > A4 Mk1 > Power unit > Simos injection and ignition system (4-cylinder) > Mixture preparation system, electronic inj.,Gas > Testing intake manifold change-over function
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Audi Workshop Manuals > A4 Mk1 > Power unit > Motronic injection and ignition system (4-cyl.) > Mixture preparation system, electronic inj.,Gas > Testing intake manifold change-over function > Testing intake manifold
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