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Subaru
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2001
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Legacy Outback Wagon AWD F4-2.5L SOHC
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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P Code Charts
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P0139
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M/T
M/T
P0139 - REAR OXYGEN SENSOR CIRCUIT SLOW RESPONSE
DTC DETECTING CONDITION
-
Two consecutive driving cycles with fault
CAUTION:
After repair or replacement of faulty parts, conduct Clear Memory Mode
and Inspection Mode
.
Wiring Diagram:
Step 1:
WIRING DIAGRAM