rpms jumping - Subaru WRX Forum
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post #1 of 2 Old 08-25-2006, 07:12 PM Thread Starter
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Join Date: Mar 2006
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rpms jumping

i own a 2005 sti, the only mods i have on them on are: HKS carbon fiber cat back exhaust and blitz dual turbo timer. NOW when i rev my engine between 2500 and 6500 in gear or neutral, as soon as the needle hits 600 rpms the needle jumps up again to about 1200rpms. so every time i change gears this happens. i cant seem to find the problem. any input would help thanks.
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post #2 of 2 Old 08-25-2006, 08:43 PM
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That is freakin wierd. I'd just take it to a dealer. It could be a ECU problem. Maybe the idle adjustment is messed up. A catback and turbo timer won't hurt your warranty, so no need to worry.

'06 WRX STi
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