P1128 — Mazda: HO2S Bank 1 Sensor 1 Signals Swapped In Key On Engine Running Self Test

Code breakdown

Manufacturer-specific meanings (Mazda)

• Fiat
  Sonde lambda a monte scambiate
• AcuraHondaInfiniti
  MAP Lower Than Expected
• FordLincolnMercury
  Upstream Heated Oxygen Sensor Signals Reversed
• Kia
  Long Term Fuel Trim Multiplicative Air System High
• Lexus
  Throttle Control Motor Lock Malfunction
• Mazda
  HO2S Bank 1 Sensor 1 Signals Swapped In Key On Engine Running Self Test
• Toyota
  Throttle Control Motor Lock
• Volkswagen
  Long Term Fuel Trim Bank 1 System Too Lean

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

Owner experiences (0)