p0301
Moderate
Mazda · SUVs & Crossovers
Cylinder 1 Misfire Detected
Quick Answer
Error code P0301 on your Mazda SUVs & Crossovers 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
Remove and inspect spark plug from cylinder 1
2
Test ignition coil resistance with multimeter
3
Check fuel injector spray pattern
4
Perform compression test on cylinder 1
5
Replace faulty component
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 pack
Fuel injector
Related Error Codes