Diesel Data: Automotive Repair

General Information





P0458 Evaporative Emission System Purge Control Valve Circuit Low

General Information

Component Location





General Description

The purge control solenoid valve (PCSV) is a device used to meter vapor flow to the engine. The PCM controls the PCSV using a duty cycle signal.

DTC Description

If there is Short to ground in PCSV circuit, PCM sets DTC P0458.

DTC Detecting Condition





Specification





Schematic Diagram





Signal Waveform