Source-backed diagnostic reference

P1103 EV diagnostic code

Mass Air Flow Sensor Signal Inconsistent With Engine Speed

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

  • MAZDA: Mass Air Flow Sensor Signal Inconsistent With Engine Speed Source
  • MITSUBISHI: Turbocharger Wastegate Actuator Source
  • OTHER: MAF Sensor In Range But Higher Than Expected Source
  • SUBARU: Pressure Sources Switching Solenoid Valve Circuit Source
  • VOLKSWAGEN: Oxygen Sensor Heating Circuit Bank 1 Sensor 1 Short To B+ 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.