cleaning fuel lines

  1. M

    3.0 V6 BiTdi CGQB High Pressure Fuel Pump - Best way to clean fuel lines during HPFP replacement

    Hello, A friend owns a 2013 A6 BiTdi. Car recently began to hesitate under acceleration before picking up as normal. It was taken to local Audi specialist who said they believe it's the high pressure fuel pump. The car has done over a 140k miles on the original pump. They also found small...