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Home >> Scion >> 2013 >> FR-S Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostic Codes P0300 - P050A)) >> SFI System >> DTC P0458: Evaporative Emission System Purge Control Valve Circuit Low; DTC P0459: Evaporative Emission System Purge Control Valve Circuit High [03/2012 - ] >> Inspection Procedure

Inspection Procedure

NOTE:

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

HINT: 

Read freeze frame data using the Techstream. Freeze frame data records the engine condition when malfunctions are detected. When troubleshooting, freeze frame data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air-fuel ratio was lean or rich, and other data from the time the malfunction occurred.

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