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Fuel pressure regulator and hold- ing pressure: checking > < Vehicles with new connector shape

Leon Mk2

Continuation for both connector shapes
Continuation for both connector shapes
–  Unclip the wiring harness for the injectors from intake manifold and thermostat housing.
   
–  Pull vacuum hose off fuel pressure regulator -arrow-.
–  Remove fuel rail complete with all injectors from intake manifold (fuel hoses remain connected) → Item.
  N24-0840
–  Hold a small container under the injector to be checked and pull connectors off all other injectors.
–  Have 2nd person operate starter. Injector must spray in pulses.
–  Repeat check with other injectors ensuring that injector to be checked is only one connected.
–  Then check injectors for leaks. No more than 2 drops/min may leak out.
–  Switch off ignition.
If the fuel loss is greater:
–  Renew defective injector → Item.
Fitting of injectors is the inverse procedure to dismantling, observe the following:
t  Renew O-rings on all injectors and lightly moisten with clean engine oil.
t  Fit fuel rail with secured injectors onto intake manifold and tighten evenly.
  N24-0742

Fuel pressure regulator and hold- ing pressure: checking > < Vehicles with new connector shape