P1350 – Ignition Coil Primary Circuit Fault (Nissan)

Description

The ECM detected a primary circuit malfunction in the ignition system.

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Symptoms

  • Misfire
  • Hard start

Causes

  • Open circuit
  • Coil failure
  • Wiring issue

Diagnosis

  • Check coil resistance
  • Inspect wiring
  • Scan misfire data

Repair

  • Replace coil
  • Repair wiring

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