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Fuel low pressure line: check > < High-pressure pipes fitting

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Fuel pressure regulator valveN276: Check
Fuel pressure regulator valve -N276-: Check
Consult the equivalence table for tools and equipment according to applicability among Seat / VW / Audi / Skoda → Chapter.
Special tools and workshop equipment required
   
t  Engine sealing plug set -VAS 6122-, see equivalent → Anchor
t  Fuel-resistant measuring container
  WARNING
t  Always read rules for cleanliness when carrying out any work on fuel system → Chapter.
t  Follow these instructions and rules for cleanliness before starting work and while working on the fuel system.
  W00-10435
–  Remove the engine cover upwards -arrows-.
  E10-10085
–  Remove fuel return hose from fuel rail; release hose clip -arrow- for this.
–  Seal open fuel return hose using a bung from engine bung set -VAS 6122-.
  N15-10402
–  Connect auxiliary hose -2- to fuel rail return connection -3-.
  Note
Item -1- can be disregarded.
–  Hold auxiliary hose in measuring container -4- to measure return quantity.
–  Start engine and run at idling speed for 30 seconds.
l  Specification after 30 seconds: 90 … 110 ml
If the specification is not attained, the fuel pressure regulating valve -N276- is defective.
  A23-10457

Fuel low pressure line: check > < High-pressure pipes fitting