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DTC code

P0305

Cylinder 5 Misfire Detected

Technical guide

Symptoms

  • Cylinder 5 misfire
  • rough running

Probable causes

  • Cylinder 5 misfire
  • ignition coil
  • spark plug
  • injector
  • compression

Diagnostic steps

  1. Swap coil.
  2. Replace spark plug.
  3. Test injector.
  4. Compression test.

Cross-checked technical synthesis (QA). It does not replace the manufacturer's procedure.

Models most reported with this code (NHTSA)

Ford F-150 8Jeep Wrangler 5

Count of distinct owner complaints mentioning the code. US data — same engines, same failures.

AI here is a librarian: this page shows only what mechanics confirmed, or says “unknown”. It never suggests a diagnosis — MECCANIC interprets the code, never your car.

0 confirmed cases on P0305

Nothing confirmed yet for this code. No guess is offered on purpose.

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