stuttering at high rpms?

yongai27

New Member
Aug 23, 2010
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Irvine
1st and 2nd gear seem fine, but when i rev to around 3k and above in 3-5 gear, the engine stutters a lot. That is all I know at this point. I did a diagnostic and no codes showed up. Any ideas? The plugs are less than a year old.
EDIT! I think It only stutters when i go to high psi, but im not sure just yet. Its kind of random o_O

Thanks
Michael
 
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