P2404 OBD Code Definition:
P2404 Evaporative Emission System Leak Detection Pump Sense Circuit Range/Performance
P2404 OBD Code Description:

OBD Code P2404

Possible Symptoms

  • Malfunction Indicator Light (MIL) ON

Possible Causes

  • Faulty Leak Detection Pump (V144)
  • Evaporative Emission (EVAP) Canister System leaking pressure
  • Faulty (N80) Evap purge solenoid

Possible Solutions

  • Test Leak Detection Pump (V144) and it’s wiring, see repair manual
  • Pressure test Evaporative Emission (EVAP) Canister System for leaks, see repair manual
  • Test (N80) Evap purge solenoid for leaking system pressure into the intake manifold


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