Source-backed diagnostic reference

P1130 EV diagnostic code

HO2S Circuit Low Variance Bank 1 Sensor 1

Reference status: This page preserves source-backed code definitions for discovery. Manufacturer/model applicability, repair steps and safety conclusions are not treated as verified unless a manufacturer-specific verified report is available.

Reference definitions

  • BUICK: HO2S Circuit Low Variance Bank 1 Sensor 1 Source
  • CADILLAC: HO2S Circuit Low Variance Bank 1 Sensor 1 Source
  • CHEVY: HO2S Circuit Low Variance Bank 1 Sensor 1 Source
  • CHRYSLER: HO2S Circuit Low Variance Bank 1 Sensor 1 Source
  • FORD: Lack of Upstream Heated Oxygen Sensor Switch Adaptive Fuel Limit Bank 1 Source
  • GM: HO2S Circuit Low Variance Bank 1 Sensor 1 Source
  • GMC: HO2S Circuit Low Variance Bank 1 Sensor 1 Source
  • LEXUS: Air/Fuel Ratio Sensor Circuit Range Performance Malfunction Bank 1 Sensor 1 Source
  • LINCOLN: Lack of Upstream Heated Oxygen Sensor Switch Adaptive Fuel Limit Bank 1 Source
  • MAZDA: HO2S Bank 1 Sensor 1 Not Switching Fuel Control Limit Reached Source
  • MERCURY: Lack of Upstream Heated Oxygen Sensor Switch Adaptive Fuel Limit Bank 1 Source
  • NISSAN: Swirl Control Valve Control Solenoid Valve Source
  • OLDSMOBILE: HO2S Circuit Low Variance Bank 1 Sensor 1 Source
  • OTHER: Lack Of HO2S Switch - Adaptive Fuel At Limit Source
  • SATURN: HO2S Circuit Low Variance Bank 1 Sensor 1 Source
  • SUBARU: Front Oxygen Sensor Circuit Malfunction Open Circuit Source
  • TOYOTA: Air/Fuel Sensor Circuit Range Performance Bank 1 Sensor 1 Source
  • VOLKSWAGEN: Long Term Fuel Trim Bank 2 System Too Lean Source
  • GENERIC: Lack Of HO2S Switch - Adaptive Fuel At Limit Source

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