# P1133 on the 1999 Buick LeSabre

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here.

## Bulletins for this model year that name P1133

- [6089158](https://open.wenmarpro.com/bulletins/6089158), 2000-01-13: VOLUNTARY EMISSION CAMPAIGN FOR VEHICLES WITH AN OBD\-II CALIBRATION THAT CAUSES A FALSE OXYGEN SENSOR CODE, P1133, TO SET UNDER CERTAIN CONDITIONS, RESULTING IN MALFUNCTION INDICATOR LAMP ILLUMINATION. \*TT