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2001 Buick Regal LS 3.8L MIL Lamp on
Posted to GM Driveability on 9/5/2008 13 Replies

-July 3/08, CEL came on, scan and found code P1133B,O2 sensor number one not switch sufficiently, data stream confirmed a lazy O2. Replaced O2 sensor, cleared code and road tested car O2 is switching properly. -July 21/08, CEL came on, scan and found code P113...

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  Related Documents & Media  2001 Buick Regal LS

 
Message Closed w/Summary

car Vehicle Data

2001 Buick Regal LS

VIN 2G4WB52K71
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P1133Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching
Message Closed w/Summary

car Vehicle Data

2001 Buick Regal LS

VIN 2G4WB52K71
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P1133Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching