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Home >> Toyota >> 2013 >> Prius Two >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0441 - U0293) & Circuit Tests) (Except Plug-In) >> SFI System >> DTC P3190: Poor Engine Power; DTC P3191: Engine does not Start; DTC P3193: Fuel Run Out >> Typical Enabling Conditions
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Typical Enabling Conditions

Monitor runs whenever following DTCs are not stored None
All of the following conditions are met -
Fuel cut operation Not operated
Engine speed 650 RPM or more (varies with engine coolant temperature)
Communication with power management control ECU No malfunction