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revs or power

  1. Revs/power problem

    Alfa 159, Brera & 946 Spider
    Can anyone help please? I've had my 159 2.4 ti for just over 1 year now. Shortly after buying it I had the EGR and DPF removed and took it in for a Re-map. Also changed the inlet manifold and fitted a catch tank. I've probably covered close to 20K miles since. Recently, the car has developed a...