DTC P0458 Audi
Evaporative Emission System Purge Control Valve Circuit Low
Evaporative Emission System Purge Control Valve Circuit Low
Description
EVAP purge valve, Commanded off Engine speed, >80 RPM
Cause and Solution
Check EVAP valve resistance
Check for signal, voltage and ground
Check harness for open or short and connectors for damage
Check ECM power supply relay
Replace EVAP valve
Video Guide
Diagnostic Info
- DTC Code: P0458
- Brand: Audi