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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 71 (Engine Control System - Diagnostic Codes (P2A00-U1154) & Circuit Tests (1 Of 2)) >> SFI System >> DTC P3190-00: Poor Engine Power; DTC P3191-00: Engine does not Start [10/2022 - 08/2023] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

WARNING: This page is about a different car, the 2025 Lexus RX 450h+, 2025 Lexus RX 350h, 2024 Lexus RX 450h+, 2024 Lexus RX 350h, and 2023 Lexus RX 350h. However, it is still accessible from the selected car via links, so may be relevant.
P3190

Time for low engine torque 100 engine revolutions or more, and 6 seconds or more (varies with engine coolant temperature)
Fuel level Not empty
Ratio of estimated torque against target torque Less than 20%
P3191

Engine start no-determination time (receive from hybrid vehicle control ECU) 100 engine revolutions or more, and 6 seconds or more (varies with engine coolant temperature)
Fuel level Not empty
Engine speed is a fixed value or more -