p0301
Moderate
Peugeot · SUVs
Cylinder 1 Misfire Detected
Quick Answer
Error code P0301 on your Peugeot SUVs means: Cylinder 1 Misfire Detected. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Check and replace spark plug in cylinder 1
2
Inspect ignition coil over cylinder 1
3
Clean or replace fuel injector #1
4
Test compression in cylinder 1
5
Check fuel pressure and injector pulse
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Spark plug
Ignition coil
Fuel injector
Compression gauge
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