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Home >> Lexus >> 2008 >> ES 350 >> Repair and Diagnosis >> External Pages >> Different car >> Section 216 (Engine Control System - DTC P0171 - P0604) >> DTC P0171, P0172, P0174, P0175: System Too Lean (Bank 1); System Too Rich (Bank 1); System Too Lean (Bank 2); System Too Rich (Bank 2) >> Typical Enabling Conditions
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Typical Enabling Conditions

WARNING: This page is about a different car, the 2007 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.

Fuel trim: 

TYPICAL ENABLING CONDITIONS FUEL TRIM

The monitor will run whenever these DTCs are not present P0010, P0020 (VVT VSV1, 2), P0011, P0012 (VVT System-Advance, Retard), P0021, P0022 (VVT System2-Adavance, Retard), P0031, P0031, P0032, P0051, P0052 (A/F Sensor heater Sensor 1), P0100, P0101, P0102, P0103 (MAF Sensor), P0115, P0116, P0117, P0118 (ECT Sensor), P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135 (TP Sensor), P0125 (Insufficient ECT for Closed Loop), P0335 (CKP Sensor), P0340, P0342, P0343, P0345 (VVT Sensor 1, 2), P0351, P0352, P0353, P0354, P0356 (Ignitor), P0500 (VSS),
Fuel system status Closed-loop
Battery voltage 11 V or more
Either following condition is met Condition 1 or 2
Engine RPM Less than 1,100 rpm
Intake air amount per revolution 0.22 g/rev or more