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P1315 – Injector Circuit Low (Bank 2)

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Symptoms

  • Misfire
  • Rough idle
  • Weak acceleration
  • Check engine light

Causes

  • Short to ground
  • Damaged wiring
  • Faulty injector
  • Connector corrosion

Diagnosis

  • Check wiring
  • Measure voltage
  • Inspect connector
  • Scan ECU

Repair

  • Repair wiring
  • Replace injector
  • Clean connector
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