hello all need info for tps tuning on 4f sds car is 87 vw golf 2.0 16v cams 288/279@472lift 13.5 comp est the motor runs and idles but when driving it bucks bad wideband shows a/f at 12.9 to 13.5 my tps map at idle tp20 is 52 and change by three to wot rpmfuel is at 80 thanks for any info
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