P1294 – Fuel Injector High Pressure Leak (Nissan)

Description

The ECM detected a high‑pressure fuel injector leak.

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Symptoms

  • Long crank
  • Fuel smell

Causes

  • Cracked injector
  • Seal failure
  • High pressure fault

Diagnosis

  • Inspect injectors
  • Check seals
  • Measure pressure

Repair

  • Replace injector
  • Replace seals