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Dyno tuning I hit a wall..lean problem

867 Views 6 Replies 3 Participants Last post by  stlwagon
lol...not literally.

during the tuning process '05 gt with Saleen s/c, my fuel started to lean out at around 4100 rpm and carried on at about a 45 deg angle until we shut her down at 5000 rpm. We have GT500 injectors, we don't lose fuel rail pressure. We tried adding in fuel with no luck the exact same situation occured. It definatley seems to be a mechanical issue not the program. I have original throttle position sensor which the system caught a fault code on, is it possible that the sensor is causing a fuel lean?. Thanks
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Glad to hear everything worked out. Great numbers Congrats.
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