Engine Error
P0458
Evaporative Emission System Purge Control Valve Circuit Low
Severity
Medium
Symptoms
Check engine light, rough idle, poor fuel economy
Common Causes
- Short to ground in purge valve wiring
- Defective EVAP purge control valve
- Corrosion in the connector
- Failed PCM
How to Fix
- 1 Trace and repair shorted wire
- 2 Replace the EVAP purge valve
- 3 Clean electrical contacts
- 4 Test PCM driver
Estimated Repair Cost
USD
$80
–
$250
Wiring repair: $100; Purge valve replacement: $100 - $200