Does anyone know if these codes are for the front or rear set of oxygen sensors? I don't really want to do all four, if I can find out which set they are.
P0154 02s ckt no activity detected Bank 2/Sensor 1
P0174 system too lean bank 2
P1181 man. specific dtc - P1181 Volvo Fuel Adaption, Bank 2
O2 Sensor code, front or rear?
O2 Sensor code, front or rear?
2004 Volvo XC90 AWD - 170,000 miles
2010 Volvo XC60 AWD - 145,000 miles
1996 Volvo 850 Platinum - 201,500 miles - KILLED BY UNINSURED DEER _
2010 Volvo XC60 AWD - 145,000 miles
1996 Volvo 850 Platinum - 201,500 miles - KILLED BY UNINSURED DEER _
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boosted5cyl
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Sensor 1 is the pre-cat O2. So you are looking at issues with the system on cylinders 4,5 & 6. Not 100% sure if a new O2 will fix the problem, its death might be a symptom.
Given the message "no activity detected" it mightn't do any harm to check all the connections for said O2 sensor.
Given the message "no activity detected" it mightn't do any harm to check all the connections for said O2 sensor.
'04 XC90 2.5T AWD (Angus) 134K.
'99 S80 T6 (Medusa) 214k. On borrowed time LOL
'98 V70 T5 (Vivienne). RIP @ 228K. Spun rod bearings.
'99 S80 T6 (Medusa) 214k. On borrowed time LOL
'98 V70 T5 (Vivienne). RIP @ 228K. Spun rod bearings.
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