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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