P1133 Diagnostic Trouble Code Discussion for July 2008
Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.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 |
