Audi Workshop Manuals > A4 Mk1 > Power unit > #Diesel direct injection and glow #plug system (4-cyl.)>06.97 > Fuel preparation system Diesel injection > Testing fuel injection control > Testing start of injection valve
Volkswagen Workshop Manuals > Passat (B3) > Power unit > Diesel direct injection and glow plug system > Fuel preparation system Diesel injection > Servicing Diesel direct injection system > Servicing injection pump
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