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P0306Severity: High

P0306 – Cylinder 6 Misfire

A misfire was detected in cylinder number 6.

What it means

The ECU detects a loss of combustion in cylinder 6. Common on V6/inline-6 engines; that cylinder's ignition and fuel components should be checked.

Symptoms

  • Vibration
  • Loss of power
  • Check-engine light
  • Rough idle

Common causes

  • Faulty spark plug (cyl 6)
  • Faulty ignition coil
  • Clogged/faulty injector
  • Compression loss
  • Vacuum leak

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Frequently asked questions

What does trouble code P0306 mean?

P0306 – Cylinder 6 Misfire. The ECU detects a loss of combustion in cylinder 6. Common on V6/inline-6 engines; that cylinder's ignition and fuel components should be checked.

Can I drive with a P0306 code?

This code is high severity. Driving for long can damage the engine; have it checked as soon as possible.

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