OBD Guide

P0458

EVAP System Purge Control Valve A Circuit Low

P0458 is an OBD-II diagnostic trouble code meaning: EVAP System Purge Control Valve A Circuit Low. Common causes: open or short circuit in the purge valve wiring harness, purge solenoid valve malfunction. 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
  • Increased fuel consumption
  • Smell of gasoline in the cabin

Causes

  • Open or short circuit in the purge valve wiring harness
  • Purge solenoid valve malfunction
  • Problems with the engine control unit (ECU)

How to Fix

  1. Check wiring harness for damage
  2. Check the resistance of the purge valve
  3. Replace faulty purge valve
  4. Check ECU operation

Related codes

Error P0458 by Vehicle Brand

FAQ

What does the P0458 code mean?

P0458 is an OBD-II diagnostic trouble code that indicates: EVAP System Purge Control Valve A Circuit Low

What causes a P0458 error code?

The most common causes of P0458 include: Open or short circuit in the purge valve wiring harness; Purge solenoid valve malfunction; Problems with the engine control unit (ECU).

How do I fix a P0458 diagnostic trouble code?

To fix P0458: Check wiring harness for damage. Check the resistance of the purge valve. Replace faulty purge valve. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0458?

Limited driving only, diagnose soon

How much does it cost to fix P0458?

The estimated repair cost for P0458 is $33–89. Actual cost depends on your vehicle, location, and labor rates.

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