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Diagnostic Manual, Engines, Volume 4

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LOCATION:    9.5 ME - SFI (ME1.0)   >  36 Hydraulic Test Program - Test (Injector Test)


Hydraulic Test Program - Test (Injector Test)

Test scope Test connection Test condition Nominal value Possible cause/Remedy
1.0   Injectors
Leakage test


26
(1.26)
N3/10



24
(1.24)
Fuel rail and fuel injectors removed.
Ignition: ON
Injectors must not drip. Replace dripping injectors,
2.0.
2.0   Injectors
Operation and spray pattern test


26
(1.26)
N3/10



24
(1.24)
Ignition: ON
Hold each injector (one after another) into a container and, using the self-made test harness, manually activate the injector by connecting harness banana plugs to socket box sockets 38 (-) and 25 (+).
Injectors must spray evenly
(Figure 1).
Replace defective injectors.