P1409 — Mercury: EGR Vacuum Regulator Circuit Malfunction

Code breakdown

Manufacturer-specific meanings (Mercury)

• Fiat
  Circuito elettrovalvola regolatore depressione EGR o circuito valvola ricircolo gas di scarico (Jaguar)
• BuickCadillacChevroletChryslerGMGMCOldsmobilePlymouthPontiacSaturn
  EGR Vacuum System Leak
• FordLincolnMercury
  EGR Vacuum Regulator Circuit Malfunction
• Jaguar
  Exhaust Gas Recirculation Valve Circuit
• Mazda
  EGR Vacuum Regulator Solenoid Circuit
• Mercury
  Electronic Vacuum Regulator Control Circuit Fault
• Volkswagen
  Tank Ventilation Valve Electrical Malfunction

Related codes

• P1400 — Manufacturer-specific fault code
• P1400-bmw — Heated Catalyst Battery Voltage or Current Too Low During Heating Bank 1
• P1400-fiat — Input basso circuito EGR ritorno pressione differenziale o comando posizione valvola ricircolo gas di scarico
• P1400-ford — Differential Pressure Feedback Electronic Sensor Circuit Low Voltage
• P1400-jaguar — Exhaust Gas Recirculation Valve Postion Control
• P1400-lexus — Sub-TP Sensor Malfunction

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