P0446
EVAP System Vent Control Circuit
Severity: MEDIUM
Symptoms
- Check Engine Light Is On
- The smell of gasoline in or around the car
- Increased fuel consumption
Causes
- EVAP vent valve malfunction
- Open or short circuit in wiring harness
- Problems with the ECU
- Clogged or damaged EVAP system lines
How to Fix
- Check the condition of the EVAP vent valve
- Inspect the wiring harness for damage
- Check the integrity of the EVAP system pipelines
- Scan the ECU for additional errors
- If necessary, replace faulty components