EV Diagnostics
Source-backed diagnostic reference

P1408 EV diagnostic code

Intake Manifold Pressure Sensor Circuit

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

  • BUICK: Intake Manifold Pressure Sensor Circuit Source
  • CADILLAC: Intake Manifold Pressure Sensor Circuit Source
  • CHEVY: Intake Manifold Pressure Sensor Circuit Source
  • CHRYSLER: Intake Manifold Pressure Sensor Circuit Source
  • FORD: EGR Flow Out of Self-Test Range Source
  • GEO: MAP Sensor Circuit Source
  • GM: Intake Manifold Pressure Sensor Circuit Source
  • GMC: Intake Manifold Pressure Sensor Circuit Source
  • JAGUAR: Exhaust Gas Recirculation Thermister Source
  • LINCOLN: EGR Flow Out of Self-Test Range Source
  • MAZDA: EGR System Flow Out Of Key On Engine Running Self Test Range Source
  • MERCURY: EGR Flow Out of Self-Test Range Source
  • OLDSMOBILE: Intake Manifold Pressure Sensor Circuit Source
  • OTHER: EGR Flow Out Of Self Test Range Source
  • PLYMOUTH: Intake Manifold Pressure Sensor Circuit Source
  • PONTIAC: Intake Manifold Pressure Sensor Circuit Source
  • SATURN: Intake Manifold Pressure Sensor Circuit Source
  • SUZUKI: Maniforld Differential Pressure Sensor Circuit Fault Source
  • VOLKSWAGEN: EGR Temperature Sensor Signal Too High Source

Search and canonical URL

Capitalization, underscores, hyphens, colons and spaces are normalized to this canonical code identity so alternate scan-tool formats do not create duplicate pages.