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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 198 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P0171, DTC P0172, DTC P0174 Or DTC P0175 >> Diagnosis & Repair

Diagnosis & Repair

WARNING: This page is about a different car, the 2003 Lexus GX 470. However, it is still accessible from the selected car via links, so may be relevant.

For wiring diagram, see Figure. For diagnosis and repair, see Fig 1-Fig 6 .

Fig 1: Diagnosis & Repair System Too Lean Or Rich (Step 1-4)
G00246986Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Diagnosis & Repair Of System Too Lean Or Rich (Step 5-8)
G00246987Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: Diagnosis & Repair Of System Too Lean Or Rich (Step 9-11)
G00246988Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 4: Diagnosis & Repair Of System Too Lean Or Rich (Step 12-13)
G00246989Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 5: Diagnosis & Repair Of System Too Lean Or Rich (Step 14-19)
G00246990Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 6: Diagnosis & Repair Of System Too Lean Or Rich (Step 20-22)
G00246991Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002