This is the "710-N" Version of this DV, which is the most current and heavy duty VW DV available. This is a fault that is commonly associated with the Diverter or Turbo Recirculation Valve being bad 16795 - Secondary Air Injection System: Incorrect Flow Detected The most simple way to check this is to use a vacuum pump on the small vacuum port at the top of the valve. Once this is done you will know if the valve will hold a vacuum allowing the piston to operate as it is intended. Fits All 1. 8 Turbo engines Model # 06A 145 710 P.
