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P0306 P0306 OBD-II: Misfire in Cylinder 6

P0306 Severity Moderate

What P0306 means for you

This code indicates a misfire that can affect engine performance and emissions.

Symptoms

  • Flashing Check Engine Light
  • Engine running roughly
  • Hesitation or jerking during acceleration
  • In many cases, drivers may not notice any significant issues
  • Occasionally, performance issues may arise, such as stalling at stop signs or rough idling
  • Potential misfires or diminished power, particularly during acceleration
  • Reduced fuel efficiency

Common causes

  • The engine control module (PCM) triggers code P0306 when it identifies that cylinder six is not adequately contributing to engine operation.

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What this code means

Code P0306 signifies that the PCM has detected a misfire in cylinder six, indicating that this particular cylinder is not firing correctly, which can lead to poor engine performance and increased emissions.

Frequently asked questions

01 Can I keep driving with a P0306 code?

It is not advisable to continue driving with a P0306 code, as it indicates a misfire that can lead to further engine damage.

02 How much does it cost to fix a P0306 code?

The repair costs for a P0306 code can vary widely, typically ranging from $100 to $300, depending on the underlying issue.

03 What are the common symptoms of a P0306 code?

Common symptoms include a flashing Check Engine Light, rough engine operation, and potential performance issues like stalling or reduced power.