Back to 2003 Lexus LS 430

2003 LEXUS LS 430

4.3L V8RWDAUTOMATICgas
Repairs0Labor591Torque5693Fluid7DTC734Battery0Maintenance0Recalls0
P2422moderate severityPowertrain

EVAP Vent Valve Stuck Closed

on 2003 Lexus LS 430 4.3L 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

  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.

Other Powertrain codes on this vehicle

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