P2422moderate severityPowertrain
EVAP Vent Valve Stuck Closed
on 2002 BMW M5 4.9L V8 S62 ยท 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.
๐ Don't have a code reader?
Any of these will read and clear this code โ pick by how deep you want to go.
Budget handheld~$40
ANCEL AD410 โ
No-phone-needed handheld โ reads, clears, live data, freeze frame.
โ ANCEL official store
Serious DIY~$100
BlueDriver Pro โ
Enhanced codes (ABS, airbag, TPMS) plus repair reports.
SHOP FAVORITEShop-grade tablet~$300
Autel MaxiCOM MK808S โ
Bidirectional tests, service resets, all systems.
โ Autel official store
Pro diagnostics$1,500+
Autel MaxiSys MS906 Pro โ
Full-system pro platform โ topology mapping, ECU coding, the works.
โ Autel official store
As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases โ how we link. This never changes the specs we publish.
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