AutoCodes – Ford – P1451 2009 Ford Fusion

P1451 2009 Ford Fusion Code - EVAP Control System Canister Vent Solenoid Circuit Malfunction

Quick Answer

The Powertrain Control Module (PCM) monitors the Canister Vent (CV) solenoid circuit for an electrical failure. Common causes include Faulty Canister Vent Solenoid, Canister Vent Solenoid harness is open or shorted, Canister Vent Solenoid electrical circuit poor connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1451 2009 Ford Fusion indicates EVAP Control System Canister Vent Solenoid Circuit Malfunction.
Common causes
Common causes include Faulty Canister Vent Solenoid, Canister Vent Solenoid harness is open or shorted, Canister Vent Solenoid electrical circuit poor connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 2,476
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 23, 2019
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Code P1451 2009 Ford Fusion Description

The Powertrain Control Module (PCM) monitors the Canister Vent (CV) solenoid circuit for an electrical failure. The test fails when the signal moves outside the minimum or maximum allowable calibrated parameters for a specified canister vent duty cycle by PCM command.
OBDII Code P1451 2009 Ford Fusion - EVAP Control System Canister Vent Solenoid Circuit Malfunction - AutoCodes.com
P1451 2009 Ford Fusion Code - EVAP Control System Canister Vent Solenoid Circuit Malfunction

What are the Possible Causes of the DTC P1451 2009 Ford Fusion?

  • Faulty Canister Vent Solenoid
  • Canister Vent Solenoid harness is open or shorted
  • Canister Vent Solenoid electrical circuit poor connection
  • Faulty Powertrain Control Module (PCM)

How to Fix the DTC P1451 2009 Ford Fusion?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1451 2009 Ford Fusion code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1451 2009 Ford Fusion code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1451 2009 Ford Fusion Code

1. What does the OBDII code P1451 mean on a 2009 Ford Fusion?

The P1451 code indicates a malfunction in the EVAP control system's canister vent solenoid circuit, which prevents proper vapor flow and venting in the emissions system.

2. What are common symptoms of the P1451 code in a 2009 Ford Fusion?

Symptoms may include an illuminated check engine light, failed emissions tests, and, in some cases, fuel odors near the vehicle.

3. What causes the P1451 code to appear on a 2009 Ford Fusion?

Common causes include a faulty canister vent solenoid, damaged wiring or connectors, a clogged EVAP canister, or an issue with the Powertrain Control Module (PCM).

4. Can I drive my 2009 Ford Fusion with a P1451 code?

While the vehicle may still drive normally, it's not recommended to ignore the code as it may lead to emissions system inefficiency and potential engine performance issues.

5. How do I fix the P1451 code on my 2009 Ford Fusion?

Repairs may involve replacing the canister vent solenoid, repairing damaged wiring, cleaning or replacing the EVAP canister, or addressing PCM issues if necessary.

6. How much does it cost to fix the P1451 code on a 2009 Ford Fusion?

Repair costs can vary but typically range from $100 to $300, depending on whether the issue is with the solenoid, wiring, or other components.

7. How do I diagnose the P1451 code on a 2009 Ford Fusion?

Diagnosis involves scanning the vehicle with an OBDII scanner, visually inspecting the vent solenoid and related wiring, and performing continuity tests on the circuit.

8. What tools are needed to repair the P1451 code on a 2009 Ford Fusion?

You may need an OBDII scanner, a multimeter for circuit testing, basic hand tools, and possibly replacement parts like a canister vent solenoid.

9. Can a loose gas cap cause the P1451 code on a 2009 Ford Fusion?

No, a loose gas cap typically triggers a different EVAP-related code, such as P0455 or P0457, but it's still worth checking as part of troubleshooting.

10. Will clearing the P1451 code fix the problem on a 2009 Ford Fusion?

Clearing the code will turn off the check engine light temporarily, but the underlying issue must be repaired to prevent the code from coming back.

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