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1999 Buick Regal LS 3.8L Cuts out, MIL Lamp on
Posted to GM Driveability on 10/28/2009 9 Replies

Hello to all and thanks in advance. I have this Buick here which I have been pulling my hair out on. I have been chasing two code for some time now p0133 and p1133. Car came in this summer with light on and both codes in it watched scanner O2 switching slow so...

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  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 / gas
EmissionsOBD-II Compliant
SymptomsCuts Out, MIL Lamp On
OccursAlways, Intermittently

Trouble Codes

P0133Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response
P0171Fuel System Too Lean (Bank 1)
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 / gas
EmissionsOBD-II Compliant
SymptomsCuts Out, MIL Lamp On
OccursAlways, Intermittently

Trouble Codes

P0133Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response
P0171Fuel System Too Lean (Bank 1)
P1133Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching