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  1. FINALLY SOLVED! P0171 and P0174 Codes!!!! - ClubLexus

    Jan 5, 2013 · RX - 2nd Gen (2004-2009) - FINALLY SOLVED! P0171 and P0174 Codes!!!! - P0171 and P0174 I know this is long, but if you've had these codes, please read the entire post as it will explain …

  2. Lexus: What Does Error Code P0171 Mean? - ClubLexus

    Oct 10, 2018 · P0171 Definition The P0171 code means that, on the first bank of the engine, the fuel system is running weak (or lean) or a vacuum leak exists near this side of the engine. A lean …

  3. Lexus: What Does Error Code P0174 Mean? - ClubLexus

    Nov 19, 2018 · The P0171 code means that, on the second bank of the engine, the fuel system is running weak (or lean) or a vacuum leak exists near this side of the engine. A lean condition occurs …

  4. Engine DTC Chart PDF - ClubLexus - Lexus Forum Discussion

    Dec 30, 2016 · Engine DTC Chart PDF A chart that details diagnostic trouble codes (DTCs) for a 2002 Lexus LS430. The chart lists various codes associated with engine performance and potential …

  5. Diagnostics0171 PDF - ClubLexus - Lexus Forum Discussion

    Jan 30, 2012 · A technical documentation that outlines diagnostic trouble codes (DTC) related to fuel system imbalances in vehicles, specifically for 'System too Lean' or 'System too Rich' conditions …

  6. 98 Lexus LS 400 p0171 and cannot figure out fix - ClubLexus

    Feb 12, 2018 · LS - 1st and 2nd Gen (1990-2000) - 98 Lexus LS 400 p0171 and cannot figure out fix - I have a 98 Lexus LS400 with the p0171 code. I have replaced the MAF sensor, all o2 sensors.

  7. RX Models - ClubLexus - Lexus Forum Discussion

    6 days ago · RX Models -Unique topics related to the 2023 up RX model hybrid drivetrain and other features/options found only on the hybrid models. Please use the main forum for discussion about …

  8. Pull codes P0172/P0175, need help diagnoising - Page 2 - ClubLexus ...

    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) DESCRIPTION The fuel trim is related to the …

  9. MAF Testing - Pages from RX300 Repair Manual PDF

    Jun 29, 2014 · MAF Testing - Pages from RX300 Repair Manual PDF A set of technical diagrams that illustrate the testing of a Mass Airflow (MAF) Sensor for an RX300 vehicle. The diagrams show the …

  10. P0330 Knock Sensor, 15 min. Hack Repair... - ClubLexus

    RX - 1st Gen (1999-2003) - P0330 Knock Sensor, 15 min. Hack Repair... - This is for the people that don't want to pay big money to replace a bad knock sensor. I got the dreaded P0330 code saying the …