Hyundai Sonata 1991 Shop Manual page 290

INJECTOR AND THROTTLE BODY
Resistance 13-16!l. [at 20°C (68°F))
1. Measure the resistance of the injectors between the
terminals using an ohmmeter.
2. If the resistance is not within specifications. replace the
injector.
rn
-0 .
Y31EBOA
INSPECTION
31Y126
INSTALLATION
1. Install a new insulator to the intake manifold.
Y31FCOA
Insulator
31Y127
1
Grommet
2. Install a new grommet and O-ring to the injector.
3. Apply a coating of solvent, spindle oil or gasoline to the
O-ring of the injector.
O-ring
/
31'1'128
4. While turning the injector to the left and right. install it on
to the delivery pipe.
5. Be sure the injector turns smoothly.
NOTE
If it does not turn smoothly, the O-ring may be jammed;
remove the injector and re-insert it into the delivery pipe
and re-check.
Delivery pipe
31Y129
31-65