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Home >> Lexus >> 2003 >> IS 300 Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 168 (Engine Control System - Diagnosis) >> DTC P0171: System Too Lean (Bank 1), DTC P0172 System Too Rich (Bank 1), DTC P0174 System Too Lean (Bank 2), DTC P0175 System Too Rich (Bank 2) >> Monitor Strategy
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Monitor Strategy

WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Monitor Strategy Chart
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