P04E0

EVAP System Purge Control Valve A Stuck Closed

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–89 (est.)

Symptoms

Check Engine light comes on
Problems with refueling (difficulty filling the tank)
Increased level of harmful emissions
Slight degradation in fuel economy

Causes

EVAP purge solenoid valve malfunction
Damaged or clogged purge valve
Problems with the wiring harness or valve connectors
Malfunction of the engine control unit (rare)

How to Fix

Check the operation of the purge valve (apply 12V voltage to check opening)
Check valve resistance (compare with factory specifications)
Inspect the wiring harness and connectors for damage
Blow out the valve with compressed air to check for clogging.
If necessary, replace the EVAP purge valve

Related codes

P0441 P0446 P0455