2020 Chrysler P0300: What It Means & Is It Safe to Drive?
P0300 on the 2020 Chrysler: Random/Multiple Cylinder Misfire Detected. Here's what it means, what usually causes it, what repairs typically cost, and whether it's safe to keep driving.
PowertrainHigh urgency
What this code means
The PCM has detected misfires across multiple cylinders. This can cause damage to the catalytic converter if driven for long.
Common causes on the 2020 Chrysler
- Worn spark plugs or ignition coils
- Clogged or bad fuel injectors
- Low compression
- Vacuum leak, bad MAF, or fuel delivery issue
Symptoms
- Check Engine Light (often flashing under load)
- Rough idle, shaking, loss of power
- Possible smell of unburned fuel
Typical fixes
- Replace spark plugs and coils as needed
- Clean or replace fuel injectors
- Fix vacuum/fuel issues
- Compression test if no obvious cause
Repair cost range
For a 2020 Chrysler, repairs for P0300 typically fall between $150 and $1200, depending on the root cause and labor rates in your area.
Known issues on Chrysler
Chrysler P0300 on Pentastar 3.6L V6 (Town & Country, 200) can be caused by failed ignition coils or worn spark plugs. On 300 with the 5.7L HEMI and MDS, the same lifter/cam wear issues that affect Dodge and Ram apply here.
Most commonly affected models
300 2005–2014Town & Country 2008–2016200 2011–2014