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Removing and installing fuel pressure regulating valveN276 > < Sealing of the fuel system: check

Leon Mk2

Checking fuel pressure regulating valveN276
Checking fuel pressure regulating valve -N276-
  WARNING
t  Always read rules for cleanliness and instructions for working on fuel system → Chapter.
t  Always follow these rules for cleanliness and instructions before starting work and while working on the fuel system.
   
–  Remove the engine cover upwards -arrows-.
–  Remove the sound insulation from the injector valves.
  E10-10085
–  Disconnect the fuel return line -1-.
  A23-10293
–  Seal the return line connection using a blind plug -1-.
–  Connect fuel return line -2- to suitable hose -3-.
  A23-10319
–  Hold the hose -1- in a suitable vessel -2-, for measuring the total return quantity.
–  Start engine and run at idling speed.
l  Specification after 30 seconds: Return flow rate 100 ml
If this value is not achieved, the fuel pressure regulating valve -N276- is defective.
  A23-10320

Removing and installing fuel pressure regulating valveN276 > < Sealing of the fuel system: check