P0301

Cylinder 1 Misfire Detected

P0301
Cylinder 1 Misfire Detected
Drive with caution
Ranked Possible Causes
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What You'll Notice

Rough idle, Noticeable engine shake, Loss of power on acceleration, CEL flashing

Cost Estimate
JobRange
Swap plug/coil to another cylinder to confirm (DIY)$0–$0
Coil pack replacement$60–$200
Fuel injector cleaning/replacement$80–$250
Compression test (shop)$60–$120
Parts You Might Need
• Ignition coil (single)
• Spark plug
• Fuel injector

These percentages are general patterns, not a diagnosis for your specific vehicle. Have a technician scan your car to confirm which component is actually failing.

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