# P0301 on the 2021 Ford E\-350

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 P0301

- [11025854](https://open.wenmarpro.com/bulletins/11025854), 2025-12-01: This article supersedes TSB 25\-2322 to update the Service Procedure, Labor Operations and Parts List. Some of the vehicles listed in the Model statement above may exhibit an upper engine ticking or tapping noise at idle. Customers may also report experiencing rough engine performance, engine misfire, or a malfunction indicator lamp \(MIL\) with diagnostic trouble code \(DTC\) P0301\-P0308 in the powertrain control module \(PCM\). This may be due to camshaft and/or valve tappet having excess wear within the engine assembly.
- [11020894](https://open.wenmarpro.com/bulletins/11020894), 2025-07-24: This article supersedes TSB 25\-2200 to update the parts list to add the new camshaft and tappet service kit and add F\-650/F\-750. Some of the vehicles listed in the Model statement above may exhibit an upper engine ticking or tapping noise at idle. Customers may also report experiencing rough engine performance, engine misfire, or a malfunction indicator lamp \(MIL\) with diagnostic trouble code \(DTC\) P0301\-P0308 in the powertrain control module \(PCM\). This may be due to camshaft and/or valve tappet having excess wear within the engine assembly.
- [11018524](https://open.wenmarpro.com/bulletins/11018524), 2025-05-21: Some of the vehicles listed in the Model statement above may exhibit an upper engine ticking or tapping noise at idle. Customers may also report experiencing rough engine performance, engine misfire, or a malfunction indicator lamp \(MIL\) with diagnostic trouble code \(DTC\) P0301\-P0308 in the powertrain control module \(PCM\). This may be due to camshaft and/or valve tappet having excess wear within the engine assembly.