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decreasing air flow

  1. VW Mk4 Jetta, Golf, New Beetle, Passat TDI forum
    Hi everyone! My 2005 Passat 2.0TDI PD BGW has problem with power especially on cold engine. The symptoms are: low power with accelerator pedal down until engine reach 3000-3200rpm, it can start jiggling, or even it can go off. But situation is diffrent when i stop for a while accelerating on...