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Diagnostic Manual, Engines, Volume 4

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LOCATION:    9.6 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)
N3/12



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)
N3/12



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.