EV Diagnostics
Source-backed diagnostic reference

P21FF EV diagnostic code

Fuel Control System B Too Rich at Higher Load Bank 2

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

  • GENERIC: Fuel Control System B Too Rich at Higher Load Bank 2 Source
  • GENERIC: Fuel Control System B Too Rich at Higher Load (Bank 2) Source

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