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Removing and installing fuel pressure regulating valve > < Senders and sensors

Golf Mk6

Checking fuel pressure regulating valve
Checking fuel pressure regulating valve
Special tools and workshop equipment required
   
t  Engine bung set -VAS 6122-
t  Fuel-resistant measuring container
  WARNING
t  Read the rules on cleanliness for all work on the fuel system → Chapter.
t  Always follow these rules for cleanliness and instructions before starting work and while working on the fuel system.
–  Remove engine cover panel → Chapter.
  W00-10435
–  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-.
–  Hold auxiliary hose in measuring container -4- to measure return quantity.
–  Start engine and run at idling speed for 30 seconds.
l  Specified amount in 30 seconds: 90 ... 110 ml
If the specification is not attained, the fuel pressure regulating valve -N276- is defective.
  A23-10457

Removing and installing fuel pressure regulating valve > < Senders and sensors