What is the code P0446 on a Ford Transit Connect?

The P0446 code on a Ford Transit Connect corresponds to a specific number obtained when connecting your vehicle to an OBDII scanner. It indicates a malfunction in the EVAP (Evaporative Emission Control System) vent control circuit.
The EVAP vent control valve in the Ford Transit Connect is responsible for regulating and maintaining pressure in the fuel tank. It is normally closed during regular operation to prevent fuel vapors from escaping into the atmosphere. When the vent control valve fails to respond to prompts from the PCM (Powertrain Control Module) to open and close, the P0446 trouble code is triggered. The only symptom of P0446 is usually the check engine light, although there may be a slight decrease in fuel economy.
The most common cause of the P0446 code in the Ford Transit Connect is a faulty vent control valve. However, it could also be caused by issues with the vapor canister valve or the gas cap flap valve. It is recommended to check for damaged components, inspect connector pins for signs of damage, and clean or replace any faulty parts. Additionally, tightening the gas cap and clearing the code may resolve the issue in some cases.
Please note that the information provided is based on the search results and may not cover all possible causes or solutions for the P0446 code on a Ford Transit Connect. It is always recommended to consult a professional mechanic or refer to the vehicle’s specific repair manual for accurate diagnosis and repair guidance.

What is the evaporative emission control system vent control circuit malfunction?

What Does the P0446 Code Mean? Code P0446, otherwise known as Evaporative Emission Control System (EVAP) Vent Control Circuit Malfunction, indicates that your car’s computer has detected (or believes it has detected) a problem with the function of the EVAP system vent valve.

What is the most common cause of P0442 code?

Possible Causes of P0442
A gas cap that does not meet vehicle manufacturer standards. A tiny crack or hole in a fuel vapor hose or tube. A different type of leak somewhere else in the EVAP system. A faulty vent or purge valve.

Is it OK to drive with a P0446 code?

Can I Still Drive with a P0446 Code? A vehicle may still be operational with an EVAP leak. If your check engine light comes on while driving, stop to make sure the gas cap is still secure. Then take the car to a mechanic to ensure the leak is fixed.

Where is the EVAP vent valve located?

Which is right here now this happens to be at the rear of the vehicle. Here’s your rear driver’s side wheel. And right behind it you’ll find the canister.

What is the code po446 for gas cap?

If the gas cap is damaged, missing, or doesn’t seal properly, it can trigger the code P0446. Gas cap can also trigger the P0455 gross EVAP leak code, so make sure that it’s not on the OBD II error list as well. Because it’s the easiest part to reach, it’s recommended that you visually inspect the gas cap first.

How do I know if my vent control valve is bad?

Symptoms of a Bad or Failing Canister Vent Valve

1. Check Engine Light may illuminate.
2. Fuel tank may be hard to fill.

How do I fix error code P0446?

And check the o-ring. For any tears or cracks. And make sure it locks back on properly. With some kind of a click. Now in my case everything looked fine so what I did was I wiped the filler neck.

How do you know if a charcoal canister is bad?

If your vehicle displays any of the following symptoms, there’s a good chance your charcoal canister needs replacement:

1. Poor engine performance.
2. Difficulty refueling and a hissing noise from the fuel tank.
3. Fuel smell in the vehicle’s interior.
4. Increased emissions.
5. Illuminated check engine light.

How much does it cost to replace the EVAP vent control valve?

On average, the cost ranges from $100 to $500 but can go higher for luxury vehicles. One option to save money is to replace the purge valve yourself, but this requires proper knowledge and tools. Another option is to shop for the best price from a trusted mechanic or dealership.

How much does it cost to fix an evaporative emission control system?

After all, the average rate for repairs of the evaporative emissions system, also called the EVAP system, ranges from $200 to $560, which is a small price to pay to fix a Check Engine Light when you consider all the possibilities.