P0446 2007 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 2007 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 2007 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 2007 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 2007 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 2007 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.
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Frequently Asked Questions about P0446 2007 Ford Fusion Code
1. What are common symptoms of an OBDII code P0446 in a 2007 Ford Fusion?
The common symptoms include the check engine light coming on, rough idling, decreased fuel efficiency, and a gasoline odor near the vehicle.
2. What does the OBDII code P0446 for a 2007 Ford Fusion indicate?
The code P0446 specifically points to a problem with the EVAP system vent control circuit.
3. What are the possible causes of an OBDII code P0446 in a 2007 Ford Fusion?
Common causes include a faulty vent valve, damaged wiring or connectors in the vent control circuit, or a malfunctioning EVAP canister purge valve.
4. How can I diagnose the issue causing the OBDII code P0446 in my 2007 Ford Fusion?
Diagnosing the problem usually involves checking the vent control circuit for continuity, inspecting the wiring and connectors for damage, and testing the vent valve and purge valve functionality.
5. Can I continue driving my 2007 Ford Fusion with an OBDII code P0446?
While the vehicle may still be operational with this code, it is recommended to address the issue promptly to prevent potential damage to other components and ensure optimal performance.
6. How can I repair an OBDII code P0446 in a 2007 Ford Fusion?
Repair options may include replacing the vent valve, repairing or replacing damaged wiring or connectors, or addressing any issues with the EVAP canister purge valve.
7. Are there any DIY tips for fixing an OBDII code P0446 in a 2007 Ford Fusion?
For DIY enthusiasts, checking and cleaning the vent valve, inspecting the wiring for any visible damage, and testing the components with a multimeter can be good starting points.
8. Will resetting the check engine light resolve the OBDII code P0446 issue in a 2007 Ford Fusion?
Simply resetting the check engine light may temporarily turn it off, but the underlying problem causing the code will still need to be diagnosed and repaired to prevent its reoccurrence.
9. How much does it typically cost to fix an OBDII code P0446 in a 2007 Ford Fusion?
The cost of repair can vary depending on the specific cause of the code and whether you choose to address the issue yourself or take it to a professional mechanic. Costs may range from relatively inexpensive for DIY repairs to more expensive for professional diagnosis and replacement of components.
10. Can a faulty gas cap trigger an OBDII code P0446 in a 2007 Ford Fusion?
While a faulty gas cap is more likely to trigger a code related to a leak in the EVAP system, it is still a good idea to inspect and ensure the gas cap is sealing properly as part of troubleshooting the P0446 code.
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