P0308Severity: High
P0308 – Cylinder 8 Misfire
A misfire was detected in cylinder number 8.
What it means
The ECU detects a loss of combustion in cylinder 8. Seen on V8 engines; that cylinder's ignition/fuel components and compression should be checked.
Symptoms
- Vibration
- Loss of power
- Check-engine light
- Rough idle
Common causes
- Faulty spark plug (cyl 8)
- Faulty ignition coil
- Clogged/faulty injector
- Compression loss
- Vacuum leak
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Frequently asked questions
What does trouble code P0308 mean?
P0308 – Cylinder 8 Misfire. The ECU detects a loss of combustion in cylinder 8. Seen on V8 engines; that cylinder's ignition/fuel components and compression should be checked.
Can I drive with a P0308 code?
This code is high severity. Driving for long can damage the engine; have it checked as soon as possible.