P0446low severityPowertrain
EVAP Vent Control Circuit
on 2000 Volvo S80 2.9L I6 · AWD
What this code means
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.
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Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1