Oxygen Sensor (Sohc 16 Valve) - Mitsubishi 1989-1993 GALANT Service Manual

FUEL SYSTEM <SOHC-16 VALVE>
OXYGEN SENSOR
Oxygen sensor
Theoretical A/F
14
15
OPERATION
TROUBLESHOOTING HINTS
INSPECTION
Using Scan Tool
Refer to P.13-87.
HARNESS INSPECTION
Engine
control
module
16
Engine control module connector
Engine control
module harness
Check for an open circuit, or a short
ide connector
circuit to ground, between the
control module and the oxygen sen-
sor.
56
Oxygen sensor connector: Discon-
l
nected
Engine control module connec-
l
Disconnected
tor:
On-Vehicle Inspection of MFI
connector
connector
engine
2