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1999 Buick Regal LS 3.8L MIL Lamp on
Posted to GM Driveability on 7/16/2008 9 Replies

Followed SI and said to replace o2. Replaced o2 and same condition. At cruise it switches but the code still sets at cruise. Any help would be great. Thank you.

9 Replies Received (View Replies)

  Related Documents & Media  1999 Buick Regal LS

 
Message Closed w/FIX

car Vehicle Data

1999 Buick Regal LS

VIN 2G4WB52KOX
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursCruise

Trouble Codes

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

car Vehicle Data

1999 Buick Regal LS

VIN 2G4WB52KOX
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursCruise

Trouble Codes

P1133Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching