EV Diagnostics
Source-backed diagnostic reference

P1290 EV diagnostic code

CNG Fuel Pressure Too High

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

  • DODGE: CNG Fuel Pressure Too High Source
  • FORD: Cylinder Head Temperature Sensor Signal Less Than Self-Test Range Source
  • JEEP: CNG Fuel Pressure Too High Source
  • LINCOLN: Cylinder Head Temperature Sensor Signal Less Than Self-Test Range Source
  • MERCURY: Cylinder Head Temperature Sensor Signal Less Than Self-Test Range Source
  • OTHER: Cylinder Head Temp Sensor Low Input Source
  • PLYMOUTH: CNG Fuel Pressure Too High Source
  • PONTIAC: CNG Fuel Pressure Too High Source

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