p0301
Moderate
Fiat · Cars
Cylinder 1 Misfire Detected
Quick Answer
Error code P0301 on your Fiat Cars 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
Scan for additional misfire codes
2
Inspect and replace spark plug #1
3
Test ignition coil pack for cylinder 1
4
Check fuel injector spray pattern
5
Perform compression test if needed
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
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