Audi TSB #147520366682
2009 Audi Q7
Affected Component: FUEL SYSTEM, DIESEL
- Summary
- When diagnosing a MIL on, no-start, or rough running concern on a common rail diesel vehicle, and no root cause is found after checking all other components and following all GFF diagnostic procedures, it may be necessary to check for metallic particles in the High Pressure Fuel Pump.