p0301
Moderate
Volvo · Sedans & Wagons
Cylinder 1 Misfire
Quick Answer
Error code P0301 on your Volvo Sedans & Wagons means: Cylinder 1 Misfire. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Replace spark plug in cylinder 1
2
Test ignition coil for cylinder 1 with scanner
3
Check fuel injector pulse and spray pattern
4
Perform compression test on cylinder 1
5
Clean intake valves if carbon buildup suspected
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
Intake valve cleaner
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