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1996 Volvo 850 2.4L Excessive Emissions
Posted to European Driveability on 2/22/2010 9 Replies

Car came in with a code po430 front o2 sensor no signal. replaced sensor, car is running very rich. The Ecm is seeing .2v o2 sensor voltage. However when back probed the sensor is at .9v. It looks like the sensor is grounded through the pcm. There dosent seem ...

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  Related Documents & Media  1996 Volvo 850

 
Message Closed w/Summary

car Vehicle Data

1996 Volvo 850

VIN YV1LS5541T
Engine2.4 L / 5 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions
OccursAlways

Trouble Codes

P0430Catalyst Efficiency Below Threshold (Bank 2)
Message Closed w/Summary

car Vehicle Data

1996 Volvo 850

VIN YV1LS5541T
Engine2.4 L / 5 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions
OccursAlways

Trouble Codes

P0430Catalyst Efficiency Below Threshold (Bank 2)