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P1417 – Secondary Air Injection Switching Valve Fault

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Symptoms

  • Rough idle
  • Emissions failure
  • Cold start issues

Causes

  • Faulty valve
  • Damaged wiring
  • Vacuum leak

Diagnosis

  • Test valve operation
  • Inspect wiring
  • Check vacuum lines

Repair

  • Replace valve
  • Repair wiring
  • Fix vacuum leaks
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