EV Diagnostics
Source-backed diagnostic reference

P1726 EV diagnostic code

Insufficient Engine Speed Decrease During Self Test

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

  • FORD: Insufficient Engine Speed Decrease During Self Test Source
  • JAGUAR: Engine Overspeed Source
  • LINCOLN: Insufficient Engine Speed Decrease During Self Test Source
  • MERCURY: Insufficient Engine Speed Decrease During Self Test Source
  • OTHER: Insufficient Engine Speed Decrease During Self Test Source
  • VOLKSWAGEN: Wheel Speed Signal 4 Range Performance Source

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