P1314 – Misfire Detection (Bank 1, Nissan)

Description

The ECM detected a misfire condition on Bank 1.

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Symptoms

  • Misfire
  • Rough idle

Causes

  • Ignition fault
  • Injector issue
  • Vacuum leak

Diagnosis

  • Scan misfire data
  • Inspect ignition
  • Check injectors

Repair

  • Repair ignition
  • Replace injector
  • Fix vacuum leak

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