Source-backed diagnostic reference

P1140 EV diagnostic code

Mass Or Volume Air Flow Circuit Range Performance Problem

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: Mass Or Volume Air Flow Circuit Range Performance Problem Source
  • BUICK: HO2S Transition Time Ratio Bank 1 Sensor 2 Source
  • CADILLAC: HO2S Transition Time Ratio Bank 1 Sensor 2 Source
  • CHEVY: HO2S Transition Time Ratio Bank 1 Sensor 2 Source
  • CHRYSLER: HO2S Transition Time Ratio Bank 1 Sensor 2 Source
  • FORD: Water In Fuel Condition Source
  • GM: HO2S Transition Time Ratio Bank 1 Sensor 2 Source
  • GMC: HO2S Transition Time Ratio Bank 1 Sensor 2 Source
  • KIA: Load Calculation Cross Check Source
  • LINCOLN: Water In Fuel Condition Source
  • MERCURY: Water In Fuel Condition Source
  • NISSAN: Intake Valve Timing Control Position Sensor Bank 1 Source
  • OLDSMOBILE: HO2S Transition Time Ratio Bank 1 Sensor 2 Source
  • OTHER: Water In Fuel Condition Source
  • SATURN: HO2S Transition Time Ratio Bank 1 Sensor 2 Source
  • VOLKSWAGEN: Bank 2 Sensor 2 Resistance Too High Source

Search and canonical URL

Capitalization, underscores, hyphens, colons and spaces are normalized to this canonical code identity so alternate scan-tool formats do not create duplicate pages.