P2422moderate severityPowertrain
EVAP Vent Valve Stuck Closed
on 1999 BMW 540iT E39 4.4L V8 · RWD
What this code means
The EVAP canister vent valve is stuck in the closed position.
Symptoms
- Fuel tank pressure buildup
- Difficulty refueling
- Check engine light
- Hissing from fuel cap area
Common causes
- Failed vent valve/solenoid
- Blocked vent line
- Debris in valve
- Spider/insect nest in vent
Diagnostic steps
- Command vent valve open with scan tool
- Listen for solenoid click
- Check vent hose for blockage
Repair notes
Replace vent valve solenoid. Inspect vent line for obstruction.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1