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SVTPerformance's Chain of Restaurants
Tuning À la carte
First time data logging
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<blockquote data-quote="decipha" data-source="post: 16207364" data-attributes="member: 74327"><p>that was a mistake buying an x4 to datalog it, you should have bought a moates quarterhorse its the top of the line diagnostics tool for the 2004 and older stangs it has alot more in depth control and far greater datalogging for the 03/04 cobra specifically and can also backup the ecu and make realtime tuning changes to help diagnose and fix idle issues very easily a s well</p><p></p><p>if its surging that bad then most likely you have a large air leak</p><p></p><p>make sure the maf counts are stable with no more than a 5 count jump up or down and that your fuel trims are within reason +/-5%</p><p></p><p>you also want to make sure spark is staying some what consistent and isnt jumping aroud more than 5-8 degrees or so at idle</p></blockquote><p></p>
[QUOTE="decipha, post: 16207364, member: 74327"] that was a mistake buying an x4 to datalog it, you should have bought a moates quarterhorse its the top of the line diagnostics tool for the 2004 and older stangs it has alot more in depth control and far greater datalogging for the 03/04 cobra specifically and can also backup the ecu and make realtime tuning changes to help diagnose and fix idle issues very easily a s well if its surging that bad then most likely you have a large air leak make sure the maf counts are stable with no more than a 5 count jump up or down and that your fuel trims are within reason +/-5% you also want to make sure spark is staying some what consistent and isnt jumping aroud more than 5-8 degrees or so at idle [/QUOTE]
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SVTPerformance's Chain of Restaurants
Tuning À la carte
First time data logging
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