OBD Guide
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P04E0

EVAP System Purge Control Valve A Stuck Closed

P04E0 is an OBD-II diagnostic trouble code meaning: EVAP System Purge Control Valve A Stuck Closed. Common causes: evap purge solenoid valve malfunction, damaged or clogged purge valve. Estimated repair cost: $33–89.

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

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

Related codes

P0441P0446P0455

Error P04E0 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P04E0 code mean?

P04E0 is an OBD-II diagnostic trouble code that indicates: EVAP System Purge Control Valve A Stuck Closed

What causes a P04E0 error code?

The most common causes of P04E0 include: 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 do I fix a P04E0 diagnostic trouble code?

To fix P04E0: 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. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P04E0?

Limited driving only, diagnose soon

How much does it cost to fix P04E0?

The estimated repair cost for P04E0 is $33–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat