P1156 — Buick: HO2S Rich Average Bank 2 Sensor 1

Code breakdown

Manufacturer-specific meanings (Buick)

• Fiat
  Circuito interruttore selezione carburante
• BuickCadillacChevroletChryslerGMGMCOldsmobileSaturn
  HO2S Rich Average Bank 2 Sensor 1
• BMW
  O2 Sensor Heater Circuit Low Voltage Bank 2 Sensor 2
• Volkswagen
  Manifold Absolute Pressure Sensor Circuit Open/Short To Ground

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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