Source-backed diagnostic reference

P1104 EV diagnostic code

Mass Air Flow Sensor Circuit Ground

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

JAGUAR: Mass Air Flow Sensor Circuit Ground Source
MITSUBISHI: Turbocharger Wastegate Solenoid Source
OTHER: MAF Ground Malfunction Source
SUBARU: Engine Torque Control Signal Circuit Malfunction Source
VOLKSWAGEN: Oxygen Sensor Bank 1 Sensor 2 Voltage Too Low/Air Leak Source

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