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Discussion Starter #1
hey guys i need to find out what I'm doing wrong? i have a 09 civic si and just put the jrsc kit on it. i got my ECU reflashed back from hondata but when i plugged it in, it sounded like my car was stuttering between 4 to 5000 rpm's.
 

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I heard the base maps from Hondata run really rich in lower RPMS... 4K isn't necessarily lower, but that could be your problem. Is the car bogging?
 
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