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 P0506: Idle Air Control System RPM Lower than Expected; DTC P0507: Idle Air Control System RPM Higher than Expected [05/2013 - ] >> Typical Malfunction Thresholds