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DTC DATABASE • OBD-II
P0302

Cylinder 2 Misfire Detected

This page explains common reasons this code appears and what should be checked before parts are replaced.

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Common causes

What can trigger P0302?

  • Ignition coil / plug
  • Injector fault
  • Compression issue
  • Air leak affecting cylinder
Typical symptoms

What you may notice

  • Rough running
  • Loss of power
  • Misfire counter increase

Do not diagnose from the code alone

The code alone does not identify the failed part. Live data, wiring checks and manufacturer-specific subcodes may be required before replacing components.

Full scanLive dataWiring checksSensor plausibilityECU / module communication
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