# P0300 on the 2018 Honda CR\-V

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

- [11037702](https://open.wenmarpro.com/bulletins/11037702), 2026-10-01: Service Bulletin \- Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, and/or misfire. In some cases, DTCs P0300 through P0304 may also be stored \(DTCs are not required for repair\).
- [11036424](https://open.wenmarpro.com/bulletins/11036424), 2026-08-27: Dealer Message \- Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, misfire, and/or DTCs P0300 through P0304 stored.
- [11036413](https://open.wenmarpro.com/bulletins/11036413), 2026-08-27: Service Bulletin \- Under certain conditions, the cylinder head gasket effectiveness may be reduced which may cause vehicles to experience overheating, coolant loss, misfire and/or DTCs P0300 thru P0304 stored.
- [10253309](https://open.wenmarpro.com/bulletins/10253309), 2024-04-17: Service Bulletin \- Under certain circumstances, the vehicle may experience driveability issues, which may result in DTCs P0300 \(random misfire detected\), P0301 \(No. 1 cylinder misfire detected\), P0302 \(No. 2 cylinder misfire detected\), P0303 \(No. 3 cylinder misfire detected\), P0304 \(No. 4 cylinder misfire detected\), or P0172 \(fuel system too rich\) or a whirling noise coming from the engine compartment.
- [10253308](https://open.wenmarpro.com/bulletins/10253308), 2024-04-17: Service Bulletin \- Under certain circumstances, the vehicle may experience driveability issues, which may result in DTCs P0300 \(random misfire detected\), P0301 \(No. 1 cylinder misfire detected\), P0302 \(No. 2 cylinder misfire detected\), P0303 \(No. 3 cylinder misfire detected\), P0304 \(No. 4 cylinder misfire detected\), or P0172 \(fuel system too rich\) or a whirling noise coming from the engine compartment.
- [10165770](https://open.wenmarpro.com/bulletins/10165770), 2019-10-09: Service Bulletin \- Under certain circumstances, the vehicle may experience driveability issues, which may result in DTCs P0300 \(random misfire detected\), P0301 \(No. 1 cylinder misfire detected\), P0302 \(No. 2 cylinder misfire detected\), P0303 \(No. 3 cylinder misfire detected\), P0304 \(No. 4 cylinder misfire detected\), or P0172 \(fuel system too rich\) or a whirling noise coming from the engine compartment.
- [10163174](https://open.wenmarpro.com/bulletins/10163174), 2019-07-23: Owner Notification Letter \- Some 2017\-18 CR\-V vehicles equipped with the 1.5 liter turbocharged engine may experience driveability issues. This may result in Diagnostic Trouble Codes \(DTCs\) P0300 \(random misfire detected\), P0301 \(No. 1 cylinder misfire detected\), P0302 \(No. 2 cylinder misfire detected\), P0303 \(No. 3 cylinder misfire detected\), P0304 \(No. 4 cylinder misfire detected\), or P0172 \(fuel system too rich\) or a whirling noise coming from the engine compartment. These concerns may result in the Malfunction Indicator Lamp \(MIL\) turning on.
- [10163170](https://open.wenmarpro.com/bulletins/10163170), 2019-07-23: Owner Notification Letter \- Some 2017\-18 CR\-V vehicles equipped with the 1.5 liter turbocharged engine may experience driveability issues. This may result in Diagnostic Trouble Codes \(DTCs\) P0300 \(random misfire detected\), P0301 \(No. 1 cylinder misfire detected\), P0302 \(No. 2 cylinder misfire detected\), P0303 \(No. 3 cylinder misfire detected\), P0304 \(No. 4 cylinder misfire detected\), or P0172 \(fuel system too rich\) or a whirling noise coming from the engine compartment. These concerns may result in the Malfunction Indicator Lamp \(MIL\) turning on.
- [10161642](https://open.wenmarpro.com/bulletins/10161642), 2019-06-25: Service Bulletin \- Under certain circumstances, the vehicle may experience driveability issues, which may result in DTCs P0300 \(random misfire detected\), P0301 \(No. 1 cylinder misfire detected\), P0302 \(No. 2 cylinder misfire detected\), P0303 \(No. 3 cylinder misfire detected\), P0304 \(No. 4 cylinder misfire detected\), or P0172 \(fuel system too rich\) or a whirling noise coming from the engine compartment.
- [10161640](https://open.wenmarpro.com/bulletins/10161640), 2019-06-25: Service Bulletin \- Under certain circumstances, the vehicle may experience driveability issues, which may result in DTCs P0300 \(random misfire detected\), P0301 \(No. 1 cylinder misfire detected\), P0302 \(No. 2 cylinder misfire detected\), P0303 \(No. 3 cylinder misfire detected\), P0304 \(No. 4 cylinder misfire detected\), or P0172 \(fuel system too rich\) or a whirling noise coming from the engine compartment.