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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 123 (Engine Control System Self Diagnostics - V8) >> Diagnostic Tests >> DTC P0171, DTC P0172, DTC P0174 Or DTC P0175 >> Possible Causes

Possible Causes

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These DTCs use two-trip detection logic. For DTC detection conditions and possible causes see Fig 1.

Fig 1: DTC Detection Conditions & Possible Causes
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