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International Automotive Technicians Network
Re: Honda 1.5T - negative fuel trims
Posted to Technical Discussion Forum on 4/11/2024

Have you cleared adaptations after the major engine repair? Was coolant affecting the air/fuel ratio sensor? Does this have ECO mode which may skew the fuel trim to pull fuel? Seeing as it hasnt set faults, perhaops your chasing a problem that doen't exist? Login to read more.