# P0300 on the 2009 Buick Allure

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.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P0300

- [11006353](https://open.wenmarpro.com/bulletins/11006353), 2024-08-14: This service bulletin provides inspection/diagnosis/correction information on a cold start misfire and/or rough idle and DTC P0300 that may also be set.
- [10211692](https://open.wenmarpro.com/bulletins/10211692), 2022-05-11: This service bulletin provides inspection/diagnosis/correction information on a cold start misfire and/or rough idle and DTC P0300 that may also be set.
- [10147382](https://open.wenmarpro.com/bulletins/10147382), 2018-11-13: This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Codes P0300\-P0308. If published Service Information diagnostics does not isolate the cause of this concern technician should check for a worn camshaft lobe and/or lifter roller, a sticking valve, valve leakage, a broken valve spring, and a collapsed active fuel management lifter.
- [10129093](https://open.wenmarpro.com/bulletins/10129093), 2018-02-21: This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Codes P0300\-P0308. If published Service Information diagnostics does not isolate the cause of this concern technician should check for a worn camshaft lobe and/or lifter roller, a sticking valve, valve leakage, a broken valve spring, and a collapsed active fuel management lifter.
- [10036384](https://open.wenmarpro.com/bulletins/10036384), 2011-03-14: BUICK/CHEVROLET/PONTIAC: EXCESSIVE OIL CONSUMPTION AND/OR BLUE EXHAUST SMOKE. ITS MORE APPARENT WHEN DRIVING HIGHWAY SPEED. RARE INSTANCES, A SES LIGHT AND ENGINE MISFIRE MAY BE ENCOUNTERED WITH A P0300 DTC. \*PE UPDATED ON 06/16/2011. \*KB