Is it safe to drive with a P0307 code?

Severity is high. Address P0307 sooner rather than later — driving with an active check engine light can worsen the problem or void emissions warranties.

How much does it cost to fix P0307?

Repair costs for P0307 typically range from $40 to $800 in the US, depending on the underlying cause. The most common fix is: Coil.

What are the symptoms of P0307?

CEL. Rough idle. Loss of power.

Check Engine Code

P0307

Cylinder 7 Misfire Detected

Severity: high DIY difficulty: 2/5 Typical cost: $40–$800

What P0307 means

Cylinder #7 misfire, typically on V8 or larger engines.

Symptoms

CEL
Rough idle
Loss of power

Likely causes (most common first)

Coil
Plug
Injector
Compression

Can I keep driving?

High — risk of damage if ignored

Typical repair cost

DIY fixes can start near $40 (parts only). Shop repairs for P0307 typically run up to $800 depending on the underlying cause and vehicle. Start with the most common cause — Coil — before throwing parts at it.

Related codes

P0300 P0306 P0308

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