1F2-92 M161 ENGINE CONTROLS
HOT FILM AIR MASS (HFM) SENSOR
Removal and Installation Procedure
1. Disconnect the negative battery cable.
2. Disconnect the Hot Film Air Mass (HFM) sensor
electrical connector.
3. Remove the HFM sensor retaining screws.
4. Turn the HFM sensor coupling in the direction
shown in the figure in the left so that it gets sepa-
rated from the contact surface.
Notice: Make sure the HFM sensor coupling
connects completely with the contact surface
KAC1F270
installation.
5. Remove the HFM sensor.
6. Installation should follow the removal procedure
in the reverse order.
KNOCK SENSOR
Removal and installation Procedure
1. Disconnect the negative battery cable.
2. Disconnect the knock sensor electrical connector
from the intake manifold bracket.
3. Remove the knock sensor mounting bolt from the
knock sensor installed on the cylinder block.
Installation Notice
Tightening Torque
4. Remove the knock sensor.
KAA1F180
5. Installation should follow the removal procedure
in the reverse order.
25 N•m (18 lb-ft)
SSANGYONG Y200