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1998 Cadillac DeVille 4.6L MIL Lamp on
Posted to GM Driveability on 11/8/2006 8 Replies

Vehicle came to us from another shop in the area. Previous shop replaced all 3 O2 sensors and the catalytic convertor due to a code P0420 being set. After they did the repair and cleared the codes P0143 keeps setting. We check the O2 readings and both from sen...

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  Related Documents & Media  1998 Cadillac DeVille

 
Message Closed w/FIX

car Vehicle Data

1998 Cadillac DeVille

VIN 1G6KD54Y4W
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

143O2 bank 1 sensor 3
Message Closed w/FIX

car Vehicle Data

1998 Cadillac DeVille

VIN 1G6KD54Y4W
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

143O2 bank 1 sensor 3