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P1318 – Fuel Injector Stuck Closed

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Symptoms

  • Misfire
  • Lean condition
  • Weak acceleration
  • Rough idle

Causes

  • Injector failure
  • Electrical fault
  • Connector issue

Diagnosis

  • Check injector pulse
  • Inspect wiring
  • Scan ECU
  • Check resistance

Repair

  • Replace injector
  • Repair wiring
  • Clean connector
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