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International Automotive Technicians Network
1997 Volvo 850 2.4L Excessive Emissions, Poor Fuel Economy
Posted to European Driveability on 6/17/2002 8 Replies

Hello Volvo techs,

this car has consistantly low HO2S1 readings from -.172 to .175 volts does not cycle when hot. also has low HO2S2 readings around .175 volts. This seems to make the car run rich all the time. we have changed the computer we were told the P/...

8 Replies Received (View Replies)

  Related Documents & Media  1997 Volvo 850

 
Message Closed w/Summary

car Vehicle Data

1997 Volvo 850

VIN YV1LS5546V
Engine2.4 L / 5 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / motronic 4.4
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Fuel Economy
OccursAlways

Trouble Codes

153rear hos2
212front HOS2
231lt ft part load
232lt ft idling
Message Closed w/Summary

car Vehicle Data

1997 Volvo 850

VIN YV1LS5546V
Engine2.4 L / 5 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / motronic 4.4
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Fuel Economy
OccursAlways

Trouble Codes

153rear hos2
212front HOS2
231lt ft part load
232lt ft idling