2022 Jaguar P0300: What It Means & Is It Safe to Drive?
P0300 on the 2022 Jaguar: 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.
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 2022 Jaguar
- 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 2022 Jaguar, repairs for P0300 typically fall between $150 and $1200, depending on the root cause and labor rates in your area.
Known issues on Jaguar
Jaguar AJ-V8 and AJ-V6 engines can trigger P0300 from failed coil packs—Jaguar uses a multi-coil design where single coil failure causes one-cylinder misfires. GDI carbon buildup is a known issue on direct-injection Jaguar engines post-2012.
Most commonly affected models