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Tuning & Engine Management EPROMS, ECU, MAF, knock, EGT, wideband, datalogging, fuel trims, etc. Read this Forum's Strict Guidelines.

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Old 03-30-2005, 11:43 PM   #1 (permalink)
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From: Panama City, Florida
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Reputation: v8s_are_slow is pretty helpful and trustworthyv8s_are_slow is pretty helpful and trustworthy
fuel trim (high) stays at 139%

no matter what i do i can't get it to come down. have maft and i'll set my base and aux knobs. everything's fine. leave the mid and high at 0's. mid is about 107%, high climbs to about 125%. i try and richen it up some (turn it clockwise a few clicks) and it just goes on up to 139%. try resetting the ecu. the same thing. the O2 trim fluctuates around 100. what in the crap!!! so can't tell if i'm just really leaning out at my high's or what. i've tried a few different combination for knob settings but it always wants to climb and i'm actually thinkin i'm rich. anyone else have this problem? know of a solution? thanks!

scott
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