Fuel Injector On-Vehicle Inspection; Fuel Injector Removal And Installation - Suzuki Grand Vitara 2011 Manual

1G-11 Fuel System: For Petrol Engine Model
Installation
1) Install clamps to marked®® location on pipes. If
clamp is deformed, its claw is bent or broken,
replace it with new one.
2) Install pipes with pipe clamps to vehicle.
NOTE
For M16 engine model, be sure to tighten fuel
pipe bolt as specified tightening order
described in "Fuel System Components: For
Petrol Engine Model".
3) Connect fuel hoses and pipes to each pipe referring
to "Fuel Hose Disconnecting and Reconnecting: For
Petrol Engine Model".
4) Connect negative cable at battery.
5) With engine OFF, turn ignition switch to ON position
and check for fuel leaks.

Fuel Injector On-Vehicle Inspection

1) Using sound scope (1) or such, check operating
sound of injector (2) 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
2) Disconnect connector (1) from injector, connect
ohmmeter between terminals of injector and check
resistance.
Reference resistance of fuel injector
12 Ω at 20 °C, 68 °F
3) Connect connector to injector securely.

Fuel Injector Removal and Installation

WARNING
!
Before starting the following procedure, be
sure to observe "Precautions on Fuel System
Service: For Petrol Engine Model" in order to
reduce the risk or fire and personal injury.
Removal
1) Relieve fuel pressure according to "Fuel Pressure
Relief Procedure: For Petrol Engine Model".
2) Disconnect negative cable at battery.
3) Disconnect fuel injector couplers.
4) Disconnect fuel feed hose from fuel delivery pipe (1).
5) Disconnect fuel return hose from pressure regulator.
6) Disconnect vacuum hose from pressure regulator.
7) Remove fuel delivery pipe bolts (2).
8) Remove fuel injector(s) (3).
S6JB0A1716007
1
I5JB0A171007-01
[A]: For M16 engine model
I2RH0B170008-01
S6JB0A1716008
I5JB0A170007-02
[B]: For J20 engine model