garajizOBD-II code · generic
P0304
Cylinder 4 Misfire Detected
- System
- P0 — Powertrain (generic)
- Severity
- High (4/5)
- Can I keep driving?
- Drive with caution
What does P0304 mean?
P0304 is defined as “Cylinder 4 Misfire Detected”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Manufacturer-specific meanings
The same code can mean something different on some makes.
- Kia: Cylinder 4 Misfire Detected
Related codes
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This page is general information; an exact diagnosis needs measurements and a technician’s check.