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Checking for leaks > < Checking injectors

Golf Mk4

Check injectors for leaks and injection rate
   
Check injectors for leaks and injection rate
Special tools and workshop equipment required
t  Remote control for V.A.G 1348 -V.A.G 1348/3A-
t  Adapter lead -V.A.G 1348/3-2-
t  Injection rate tester -V.A.G 1602-

Test prerequisite
l  The fuel pressure must be in order, checking → Chapter.
  WARNING
Fuel system is under pressure! Before opening the system, remove fuse 28 and place a cloth around the connection. Then release pressure by carefully loosening the connection.
Test procedure
   
l - Engine codes AGN, AGU, AQA, ARZ
ll - Engine codes AUM, AUQ
  N24-1372
–  Pull connectors -arrows- off all injectors.
–  Then remove fuel rail complete.
–  Pull off vacuum hose off fuel pressure regulator.
–  Lift fuel rail with injectors off intake manifold and support it.
Checking for leaks → Chapter
Checking injection rate → Chapter
  N24-1372

Checking for leaks > < Checking injectors