P0446 2011 Ford Fusion Code - EVAP System Vent Control Circuit
Quick Answer
The Evaporative System (EVAP) canister vent control valve is located on the EVAP canister and is used to seal the canister vent. Common causes include Missing Fuel cap, Incorrect fuel filler cap used, Fuel filler cap remains open or fails to close. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
- What it means
- P0446 2011 Ford Fusion indicates EVAP System Vent Control Circuit .
- Common causes
- Common causes include Missing Fuel cap, Incorrect fuel filler cap used, Fuel filler cap remains open or fails to close.
- Severity
- Low - monitor the vehicle and repair when practical.
- Can I drive?
- The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
Code P0446 2011 Ford Fusion Description
This solenoid valve responds to signals from the Engine Control Module (ECM). When the ECM sends an ON signal, the coil in the solenoid valve is energized. A plunger will then move to seal the canister vent. The ability to seal the vent is necessary for the on board diagnosis of other evaporative emission control system components.
This solenoid valve is used only for diagnosis, and usually remains opened.
What are the Possible Causes of the DTC P0446 2011 Ford Fusion?
- Missing Fuel cap
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler cap
- Vent control valve harness is open or shorted
- Vent control valve circuit poor electrical connection
- Faulty vent control valve
How to Fix the DTC P0446 2011 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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0446 2011 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 P0446 2011 Ford Fusion code?
Need more information on how to fix the P0446 2011 Ford Fusion code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0446 2011 Ford Fusion code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0446 2011 Ford Fusion Code
1. What does the OBDII code P0446 in a 2011 Ford Fusion mean?
The code P0446 indicates a problem with the EVAP system vent control circuit, which is responsible for managing the flow of fuel vapor from the fuel tank to the engine.
2. What are common symptoms of a P0446 code in a 2011 Ford Fusion?
Common symptoms include the check engine light illuminating, a strong fuel odor near the vehicle, and potential issues with the vehicle passing emissions tests.
3. What are some possible causes of the P0446 code in a 2011 Ford Fusion?
Possible causes include a faulty EVAP vent valve, a clogged EVAP canister, damaged EVAP hoses, electrical issues in the vent control circuit, or a loose or missing gas cap.
4. How can I diagnose the P0446 code in a 2011 Ford Fusion?
Diagnosis typically involves using an OBDII scanner to retrieve the specific trouble code, inspecting the EVAP system components for damage or leaks, and testing the vent control circuit for proper operation.
5. Can I still drive my 2011 Ford Fusion with a P0446 code?
While the vehicle may still be operable with a P0446 code, it is important to address the issue promptly to prevent potential fuel system problems and ensure compliance with emissions regulations.
6. How can I repair a P0446 code in my 2011 Ford Fusion?
Repair options may include replacing the EVAP vent valve, clearing any obstructions in the EVAP system, checking and repairing damaged hoses, ensuring the gas cap is tightened properly, and addressing any electrical issues in the circuit.
7. Are there any simple DIY fixes for a P0446 code in a 2011 Ford Fusion?
Simple fixes such as checking and tightening the gas cap, visually inspecting for obvious leaks in the EVAP system, and clearing the trouble code with an OBDII scanner may sometimes resolve the issue.
8. Is it necessary to reset the OBDII code after repairing a P0446 in a 2011 Ford Fusion?
Yes, it is recommended to reset the code after making repairs to see if the issue has been successfully resolved. If the problem persists, further diagnosis may be required.
9. How can I prevent the P0446 code from recurring in my 2011 Ford Fusion?
Regularly inspecting the EVAP system components for damage or wear, ensuring the gas cap is always tightened properly, and addressing any check engine lights promptly can help prevent the P0446 code from recurring.
10. Can a P0446 code in a 2011 Ford Fusion affect the vehicle's performance?
While the P0446 code itself may not directly impact the vehicle's performance, unresolved issues with the EVAP system can potentially lead to decreased fuel efficiency and emissions problems over time.
Discuss the causes and fixes for P0446 2011 Ford Fusion OBDII Code
Code P0446 2011 Ford Fusion comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
