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2010 AUDI A8
4.2L V8•AWD•AUTOMATIC•gas
1 active safety recall on this vehicle — view recalls
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Repairs0Labor488Torque2164Fluid9DTC1115Battery1Maintenance0Recalls1
P2422moderate severityPowertrain

EVAP Vent Valve Stuck Closed

on 2010 Audi A8 4.2L V8 · AWD

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

  1. Command vent valve open with scan tool
  2. Listen for solenoid click
  3. Check vent hose for blockage

Repair notes

Replace vent valve solenoid. Inspect vent line for obstruction.

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