Diesel Fuel Injector Pump.
Fits Q7 (2009 - 2009)HIGH PRESSURE PUMP; Touareg; 3.0L TDI. Diesel Fuel Injection Pump - Repair or ReplaceIf your diesel injection pump has failed, your Audi Q7 will experience at best poor acceleration but more likely an engine that will either crank but not start or it will die immediately after starting. Modern vehicles will also illuminate the check engine or glow plug light.