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Home >> Mazda >> 2004 >> MPV ES >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Engine Control System AJ] >> DTC P0171, P0174: Fuel Trim System (RH) Too Lean; Fuel Trim System (LH) Too Lean >> Notes

DTC P0171, P0174: Fuel Trim System (RH) Too Lean; Fuel Trim System (LH) Too Lean: Notes

Fig 1: DTC P0171, P0174 Detection Condition & Possible Causes Chart
G00992318Courtesy of MAZDA MOTORS CORP.