Corrado L4-1781cc 1.8L SOHC SC (PG) (1990)
Fuel Injector: Testing and Inspection
Checking Spray Pattern and Sealing
Checking injector spray pattern and sealing
- remove fuel rail assembly (injectors/wire guide/fuel rail)
- insert injector assembly into openings of fuel analyzer VAG 1348/2B
- disconnect blue coolant temperature sender harness connector 3
- re-connect harness connector 1 to connector 2
- briefly operate starter and observe spray pattern
must be uniform among all injectors in the set
- disconnect harness connector 1
- switch ON ignition for approx. 5 seconds and check injectors for leaks
-
not more than 2 drops per minute of leakage may occur
If YES
- replace faulty injector(s)
NOTE: When reinstalling fuel injectors, make sure O-rings are not damaged.