P0446 2009 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 2009 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 2009 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 2009 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 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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0446 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.
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Frequently Asked Questions about P0446 2009 Ford Fusion Code
1. What does OBDII code P0446 on a 2009 Ford Fusion indicate?
The P0446 code specifically relates to the EVAP system vent control circuit malfunction.
2. What are common symptoms of a P0446 code in a 2009 Ford Fusion?
Common symptoms include the check engine light coming on, a noticeable fuel odor, and potential issues during refueling.
3. What are possible causes of a P0446 code in a 2009 Ford Fusion?
Causes can include a faulty vent valve, damaged wiring or connectors in the vent control circuit, or a clogged vent valve.
4. How can I diagnose the source of a P0446 code in my 2009 Ford Fusion?
Diagnosis typically involves checking the vent valve for proper operation, inspecting wiring for damage, and testing the circuit for continuity.
5. Can I drive my 2009 Ford Fusion with a P0446 code?
While the vehicle may still be operable with a P0446 code, it is recommended to address the issue promptly to prevent potential damage to the EVAP system.
6. How can I repair a P0446 code in a 2009 Ford Fusion?
Repair may involve replacing the vent valve, repairing damaged wiring or connectors, or clearing any blockages in the vent system.
7. Can a DIY enthusiast fix a P0446 code in a 2009 Ford Fusion?
Depending on their skill level, a DIY enthusiast may be able to address a P0446 code by following repair guides and using the necessary tools.
8. Is it important to fix a P0446 code immediately on a 2009 Ford Fusion?
Addressing a P0446 code promptly is advised to maintain proper vehicle performance and prevent potential issues with the EVAP system.
9. How much does it cost to repair a P0446 code on a 2009 Ford Fusion?
The cost of repair can vary based on the specific issue causing the P0446 code, but it may range from $100 to $300 for parts and labor.
10. Can resetting the check engine light resolve a P0446 code temporarily in a 2009 Ford Fusion?
Resetting the check engine light may temporarily clear the code, but it is essential to address the underlying issue to prevent it from reoccurring.
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