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  1. MAF & Boost issues

    VW Mk4 Jetta, Golf, New Beetle, Passat TDI forum
    VW Golf 4 TDI 4motion 85kW 115HP 2001 I had a failing MAF (Bosch 0 280 217 121), tried cleaning it and wouldn't help. Replaced it with an aftermarket MAF, which showed up in the car parts catalogue as an alternative (and 3x cheaper than the OEM stuff). Things seemed to improve a lot, car had...
  2. 2.0TDI PD BGW - Weird case - decreasing air flow

    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...
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