EV Diagnostics
Source-backed diagnostic reference

P1239 EV diagnostic code

Speed Fuel Pump Positive Feed Fault

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: Speed Fuel Pump Positive Feed Fault Source
  • LINCOLN: Speed Fuel Pump Positive Feed Fault Source
  • MERCURY: Speed Fuel Pump Positive Feed Fault Source
  • OTHER: Speed Fuel Pump Positive Feed Fault Source
  • VOLKSWAGEN: Cylinder 3 Injector Circuit Open Circuit Source

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