Fuel Injector - Suzuki GA413 Service Manual

FUEL INJECTOR

ON-VEHICLE INSPECTION
1) Using sound scope or such, check operating sound of injector
when engine is running or cranking.
Cycle of operating sound should vary according to engine
speed.
If no sound or an unusual sound is heard, go to "B-2 Fuel Injec-
tor Circuit Check" in this section.
2) Disconnect connector from injector, connect ohmmeter be-
tween terminals of injector and check resistance.
Resistance of injector: 10 – 15 W at 20_C, 68 _F
If resistance is out of specification, replace.
3) Connect connector to injector securely.
REMOVAL
WARNING:
A small amount of fuel may be released when fuel injector
is removed. In order to reduce the chance of personal in-
jury, cover than with a shop cloth.
1) Relieve fuel pressure in fuel feed line. Refer to "Fuel Pressure
Relief Procedure" in Section 6.
2) Disconnect battery negative cable at battery.
3) Disconnect connector from each injector.
4) Remove fuel delivery pipe bolts.
5) Remove fuel injector(s) from delivery pipe and intake manifold.
INJECTION VOLUME INSPECTION
WARNING:
As fuel is injected in this inspection, perform in a well
ventilated area and away from open flames.
Use special care to prevent sparking when connecting
and disconnecting test lead to and from battery.
NOTE:
Confirm fuel pressure before this inspection.
ENGINE AND EMISSION CONTROL SYSTEM 6E-65