LEMON Manuals
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2003
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RAV4 Base, AWD, Automatic
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System Self Diagnostics
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Diagnostic Tests
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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)
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Possible Causes
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Possible Causes
For DTC detection condition and possible causes, see
Fig 1
.
Fig 1: DTC Detection Conditions & Possible Causes
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