Mike's Workshop Manuals
: Service manuals for every vehicle
Home
>>
Subaru
>>
2009
>>
Forester X, Standard
>>
Repair and Diagnosis
>>
Engine Performance
>>
System
>>
Diagnostic Trouble Code (DTC) Detecting Criteria (H4SO)
>>
Diagnostic Trouble Code (DTC) Detecting Criteria
>>
DTC P0140 O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2)
>>
Component Description
Component Description
Fig 1: Oxygen Sensor Air Fuel Ratio Graph
Courtesy of SUBARU OF AMERICA, INC.
Courtesy of SUBARU OF AMERICA, INC.