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Old 07-22-2012, 12:44 AM   #11
cdoliver
Scooby Newbie
 
Member#: 34084
Join Date: Mar 2003
Location: cleveland,oh
Vehicle:
2002 wrx

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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; 07-22-2012 at 12:49 AM.
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