2024 Nissan P0304: What It Means & Is It Safe to Drive?
P0304 on the 2024 Nissan: Cylinder 4 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
Misfire confirmed on cylinder 4. On 4-cylinder engines, this is the last cylinder—check coil and plug first, then injector, then compression.
Common causes on the 2024 Nissan
- Worn spark plug on cylinder 4
- Failed ignition coil on cylinder 4
- Faulty or clogged fuel injector
- Low compression or valve issue
Symptoms
- Check Engine Light
- Rough idle and shaking
- Poor acceleration or power loss
Typical fixes
- Replace spark plug and COP coil on cylinder 4
- Clean or replace fuel injector
- Compression and leak-down test if basic parts check out
Repair cost range
For a 2024 Nissan, repairs for P0304 typically fall between $150 and $900, depending on the root cause and labor rates in your area.
Known issues on Nissan
Nissan QR25DE P0304 on cylinder 4 can come from a coil failure or from CVTC timing issues. Check for any intake or exhaust cam phaser codes stored alongside P0304—they may indicate an oil flow issue rather than a simple ignition fault.
Most commonly affected models