Source-backed diagnostic reference

P1158 EV diagnostic code

Fuel Trim Adaptation Additive Bank 1 Low

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

  • BMW: Fuel Trim Adaptation Additive Bank 1 Low Source
  • BUICK: HO2S Bank 2 Sensor 2 Rich Or High Voltage Source
  • CADILLAC: HO2S Bank 2 Sensor 2 Rich Or High Voltage Source
  • CHEVY: HO2S Bank 2 Sensor 2 Rich Or High Voltage Source
  • CHRYSLER: HO2S Bank 2 Sensor 2 Rich Or High Voltage Source
  • FORD: Lack of Downstream Heated Oxygen Sensor Switch Sensor Indicates Rich Bank 2 Source
  • GM: HO2S Bank 2 Sensor 2 Rich Or High Voltage Source
  • GMC: HO2S Bank 2 Sensor 2 Rich Or High Voltage Source
  • JAGUAR: Lack Of HO2S22 Switches Sensor Indicates Rich Source
  • LINCOLN: Lack of Downstream Heated Oxygen Sensor Switch Sensor Indicates Rich Bank 2 Source
  • MERCURY: Lack of Downstream Heated Oxygen Sensor Switch Sensor Indicates Rich Bank 2 Source
  • OLDSMOBILE: HO2S Bank 2 Sensor 2 Rich Or High Voltage Source
  • OTHER: Lack Of HO2S22 Switch - Sensor Indicates Rich Source
  • SATURN: HO2S Bank 2 Sensor 2 Rich Or High Voltage Source
  • VOLKSWAGEN: Manifold Absolute Pressure Sensor Circuit Range Performance Source

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