P0446
EVAP Vent Control Circuit
2012-2016 Ferrari FF 6.3L V12
Low SeverityPowertrainGeneric (SAE)
Description
Malfunction in the EVAP vent control circuit. The vent valve controls airflow to the charcoal canister.
Symptoms
- Check Engine Light
- Fuel tank pressure issues
- Difficulty refueling
Common Causes
- Faulty vent valve
- Blocked vent filter
- Wiring issue
- Spider webs/debris in vent hose
Diagnostic Steps
- Test vent valve operation
- Inspect vent filter
- Check wiring
- Inspect vent hose for blockage
Repair Notes
Replace vent valve or clean vent. Check for debris in vent hose.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0446 on Other Vehicles
Ferrari 296 GTB
2022-2024 3.0L V6 Hybrid
Ferrari 296 GTS
2022-2024 3.0L V6 Hybrid
Ferrari 360 Challenge Stradale
2003-2005 3.6L V8
Ferrari 360 Modena
1999-2005 3.6L V8
Ferrari 430 Scuderia
2007-2009 4.3L V8
Ferrari 456 GT
1993-2003 5.5L V12
Ferrari 458 Italia
2009-2015 4.5L V8
Ferrari 458 Speciale
2013-2015 4.5L V8
Common Questions
What does code P0446 mean on a 2012-2016 Ferrari FF?
P0446 stands for "EVAP Vent Control Circuit". Malfunction in the EVAP vent control circuit. The vent valve controls airflow to the charcoal canister.
What are the symptoms of P0446 on a Ferrari FF?
Common symptoms of P0446 include: Check Engine Light, Fuel tank pressure issues, Difficulty refueling.
What causes P0446 on a 2012-2016 Ferrari FF?
Common causes of P0446 include: Faulty vent valve, Blocked vent filter, Wiring issue, Spider webs/debris in vent hose.