P1127 — Mercury: Exhaust Not Warm Enough Downstream O2 Sensor Not Tested

Code breakdown

Manufacturer-specific meanings (Mercury)

• Fiat
  Scarico non caldo, sonda lambda a valle non provata
• FordLincolnMercury
  Exhaust Not Warm Enough Downstream O2 Sensor Not Tested
• Kia
  Long Term Fuel Trim Multiplicative Air System Low
• Lexus
  ECTS Actuator Power Source Circuit Malfunction
• Mazda
  HO2S Bank 1 Sensor 2 Heater Not On During Key On Engine Running Self Test
• Toyota
  ETCS Actuator Power Source Circuit
• Volkswagen
  Long Term Fuel Trim Bank 1 System Too Rich

Related codes

• P1100 — Manufacturer-specific fault code
• P1100-fiat — Intermittenza circuito sensore misuratore massa aria
• P1100-ford — Mass Air Flow Sensor Intermittent
• P1100-lexus — BARO Sensor Circuit Malfunction
• P1100-lincoln — Mass Air Flow Sensor Intermittent
• P1100-mazda — Mass Air Flow Sensor Circuit Intermittent

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