LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2004 >> Matrix Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 132 (Engine Control System Self Diagnostics) >> Diagnostic Tests >> DTC P0171: System Too Lean (Bank 1), DTC P0172: System Too Rich (Bank 1), DTC P0174: System Too Lean (Bank 2) Or DTC P0175: System Too Rich (Bank 2) >> Possible Causes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Possible Causes

WARNING: This page is about a different car, the 2003 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

For DTC detection condition and possible causes, see Fig 1.

Fig 1: DTC Detection Conditions & Possible Causes
G00247579Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
scientia non olet · About LEMON Manuals