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Old 07-21-2012, 11:44 PM   #12
Scooby Newbie
Member#: 34084
Join Date: Mar 2003
Location: cleveland,oh
2002 wrx


what does it do when you reset the ecu? the reason why I asked is because the stutter you are describing usually is a learned over a day or so. usually takes a day or so to learn itself into your tune. If you reset the ecu it will probably go away until it relearns. It is fuel trims related. watch your a/f ratio while it is stuttering you will see it jumping all over the place
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Last edited by cdoliver; 07-21-2012 at 11:49 PM.
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