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Re: 99 Ford Winstar diagnose eng. light on w/codes
Posted to Technical Discussion Forum on 12/3/2001 3 Replies

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Hi Alan, 02's are active, Just bias lean alittle. At 2500 RPM LFTRIM 1 & 2 varies between +6 to +9. SFTRIM 1 & 2 varies between -1 to +2. At idle LFTRIM 1 & 2 is right around +20. SFTRIM bounces betwe... Login to read more.

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