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1997 Volvo 850 2.4L Excessive Emissions, Poor Fuel Economy, MIL Lamp on, Lack of power
Posted to European Driveability on 8/1/2001 5 Replies

Car is running rich with ECU not being able to correct. I have replaced the 02 (Bosch unit). Ran car for one day and returned. We found the AIR pump full of water, replaced with related parts. Cleaned 02 lasted 10 mile trip, returned. Fuel pressure normal. No ...

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  Related Documents & Media  1997 Volvo 850

 
Message Closed w/FIX

car Vehicle Data

1997 Volvo 850

VIN YV1LS5540V
Engine2.4 L / 5 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Fuel Economy, MIL Lamp on, Lack of Power
OccursAlways

Trouble Codes

P0131Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage
Message Closed w/FIX

car Vehicle Data

1997 Volvo 850

VIN YV1LS5540V
Engine2.4 L / 5 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Fuel Economy, MIL Lamp on, Lack of Power
OccursAlways

Trouble Codes

P0131Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage