EV Diagnostics
Source-backed diagnostic reference

P1093 EV diagnostic code

Pre-Catalyst Fuel Trim Too Rich 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

  • BMW: Pre-Catalyst Fuel Trim Too Rich Bank 2 Source
  • SUBARU: Tumble Generator Valve #2 LH Malfunction Stuck Close Source

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