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Home >> Lexus >> 2017 >> RX 450h Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostic Codes) (8 Of 8) & Circuit Tests) >> SFI System >> DTC P3190: Poor Engine Power; DTC P3191: Engine does not Start [10/2015 - 12/2017] >> Typical Enabling Conditions

Typical Enabling Conditions

P3190 AND P3191

Monitor runs whenever following DTCs not present None
Fuel cut operation Not operated
Engine speed 650 rpm or more (varies with engine coolant temperature)
Communication with hybrid vehicle control ECU assembly No malfunction
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