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1999 Buick Regal LS 3.8L MIL Lamp on
Posted to GM Driveability on 8/31/2009 6 Replies

Mass Air flow code Rear O2 heater circuit code and the front O2 not switching codes were the begining of my problems. We replaced Mass Air flow meter and wiring harnes to sensor. We replace rear O2 sensor for heater circuit, Replaced front O2 sensor and was co...

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  Related Documents & Media  1999 Buick Regal LS

 
Message Closed w/Summary

car Vehicle Data

1999 Buick Regal LS

VIN 2G4WB52K7X
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / O2 Problem No crosscounts
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

1133O2 Insufficient Switch of O2 sensor
Message Closed w/Summary

car Vehicle Data

1999 Buick Regal LS

VIN 2G4WB52K7X
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / O2 Problem No crosscounts
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

1133O2 Insufficient Switch of O2 sensor