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P1133 Diagnostic Trouble Code Discussion for July 2008

Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching


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Trouble Ticket Help Requests for DTC P1133
Help Request Posted
1999 Buick Regal LS 3.8L MIL Lamp on VIN: 2G4WB52KOX
P1133: Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching. 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.
July 16, 2008
1999 Buick Regal LS 3.8L MIL Lamp on VIN: 2G4WB52KOX
P1133: Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching. 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.
July 16, 2008