# P0303 on the 2018 Hyundai Accent

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 P0303

- [10140443](https://open.wenmarpro.com/bulletins/10140443), 2018-06-11: This bulletin provides the procedure to inspect the current spark plugs, replace all 4 spark plugs, check new spark plug gap, and clear Diagnostic Trouble Codes \(DTC\). This bulletin addresses the following conditions: ? DTC P0300 / P0301 / P0302 / P0303 / P0304 Random/Multiple Misfire. ? Engine runs rough.
- [10138245](https://open.wenmarpro.com/bulletins/10138245), 2018-05-21: This bulletin provides the procedure to inspect the current spark plugs, replace all 4 spark plugs, check new spark plug gap, and clear Diagnostic Trouble Codes \(DTC\). This bulletin addresses the following conditions: ? DTC P0300 / P0301 / P0302 / P0303 / P0304 Random/Multiple Misfire. ? Engine runs rough.