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Home >> Mazda >> 2004 >> 3 i, Standard >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Engine Control System] >> DTC P0171: Fuel Trim System Too Lean >> Diagnostic procedure

Diagnostic procedure

Fig 1: DTC P0171: Diagnostic Procedure Chart (Steps 1-6)
G00975226Courtesy of MAZDA MOTORS CORP.
Fig 2: DTC P0171: Diagnostic Procedure Chart (Steps 7-14)
G00975227Courtesy of MAZDA MOTORS CORP.
Fig 3: DTC P0171: Diagnostic Procedure Chart (Steps 15-18)
G00975228Courtesy of MAZDA MOTORS CORP.
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