P2422moderate severityPowertrain
EVAP Vent Valve Stuck Closed
on 1997 BMW 328is E36 2.8L I6 M52 · 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.
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Other Powertrain codes on this vehicle
29CC
Misfire Cylinder 1
29CD
Misfire Cylinder 2
29CE
Misfire Cylinder 3
29CF
Misfire Cylinder 4
29D0
Misfire Cylinder 5
29D1
Misfire Cylinder 6
29D2
Misfire Cylinder 7
29E0
Lambda Additive/Idle Adaptation Limit, Bank 1
29E1
Lambda Additive/Idle Adaptation Limit, Bank 2
29E2
Lambda Multiplicative Part-Load Adaptation Limit, Bank 1