top of page

P0307

Overview

Code

P0307

Code Type

P

Code Class

P0

System

Engine

Severity Level

High

Emissions Related

true

Drivability Impact

Major

Diagnostic Protocol

OBD2

Freeze Frame Useful

true

Code Definition

Diagnostic trouble code P0307 indicates a misfire detected in cylinder 7

Symptoms

Rough idle

Overview applies to this diagnostic code.

Affected Systems

On This Page

  • Code Definition

  • Symptoms

  • Affected Systems

  • Possible Causes

  • Diagnostic Steps

  • Drive Safety Notes​

More Resources

Cylinder misfires disrupt engine balance

Possible Causes

Faulty ignition system faults

Diagnostic Steps

1 Verify misfire data; 2 Inspect ignition components; 3 Test injector

Drive Safety Notes

Repair promptly to avoid catalytic converter damage

bottom of page