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P1451

EVAP Control System Canister Vent Solenoid Circuit Malfunction

2000-2005 Ford Excursion 5.4L V8 Triton πŸ‡¨πŸ‡¦

Low SeverityPowertrain

Description

The canister vent solenoid circuit has an electrical malfunction. This solenoid controls the fresh air vent on the charcoal canister.

Symptoms

  • Check Engine Light
  • EVAP system unable to run leak test
  • Failed emissions test

Common Causes

  • Faulty canister vent solenoid
  • Wiring issue to vent solenoid
  • Corroded connector
  • PCM driver failure

Diagnostic Steps

  1. Test canister vent solenoid resistance
  2. Inspect wiring and connector
  3. Command solenoid with scan tool
  4. Check PCM output circuit

Repair Notes

Replace canister vent solenoid if faulty. Repair wiring.

Related Codes

P0446EVAP Vent Control CircuitP1450Unable to Bleed Up Fuel Tank VacuumP1450Unable to Bleed Up Fuel Tank VacuumP1450Unable to Bleed Up Fuel Tank VacuumP1450Secondary Air Injection System Circuit ShortP1450Secondary Air Injection System Circuit ShortP1450Secondary Air Injection System Circuit ShortP1450Unable to Bleed Up Fuel Tank VacuumP1450Secondary Air Injection System Circuit ShortP1450Secondary Air Injection System Circuit ShortP1455EVAP System Leak Detected (Gross Leak / No Flow)P1455EVAP System Leak Detected (Gross Leak / No Flow)P1455EVAP System Leak Detected (Gross Leak / No Flow)

Other Powertrain Codes

P1451 on Other Vehicles

Common Questions

What does code P1451 mean on a 2000-2005 Ford Excursion?

P1451 stands for "EVAP Control System Canister Vent Solenoid Circuit Malfunction". The canister vent solenoid circuit has an electrical malfunction. This solenoid controls the fresh air vent on the charcoal canister.

What are the symptoms of P1451 on a Ford Excursion?

Common symptoms of P1451 include: Check Engine Light, EVAP system unable to run leak test, Failed emissions test.

What causes P1451 on a 2000-2005 Ford Excursion?

Common causes of P1451 include: Faulty canister vent solenoid, Wiring issue to vent solenoid, Corroded connector, PCM driver failure.

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