Fuel Injector - Suzuki Grand Vitara XL-7 Service Manual

6E3-24 ENGINE AND EMISSION CONTROL SYSTEM (RHZ ENGINE)

FUEL INJECTOR

NOTE:
There are two types of the fuel injector depending on the engine.
When the fuel injector(s), one, two, three or all, is replaced,
identify the fuel injector type by the identification mark "1" or
"2" as shown in figure.
( / )
And then, replace the injector(s) with the same type of fuel in-
jector as the original installed.
Never mix the types per engine or replace to the other type fuel
injector from the original type fuel injector.
Otherwise engine noise and vibration are increases.
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, check injector circuit
(wire or coupler) or injector.
2) Disconnect coupler from injector, connect ohmmeter between
terminals of injector and check resistance.
If resistance is out of specification, replace.
Resistance of injector: 0.56 Ω (MAX.) (at 20_C, 68 _F)
3) Connect coupler to injector securely.
REMOVAL
1) Disconnect negative cable at battery.
2) Remove intercooler referring to "INTERCOOLER" in this sec-
tion.
3) Remove intercooler bracket (1) and bracket (3) with fuel heater.
4) Disconnect fuel temperature sensor connector, injector connec-
tors, CMP sensor connector and high pressure fuel pump sole-
noid valve connector. Then detach wire harness protector (2)
and PCV hose (4).