Thread: RPM Jump
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Old 11-10-2008, 12:38 PM   #7
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Join Date: Aug 2008
Location: PNW, City of Rain
Posts: 525
My Ride: 2004 ZHP 6 SPD
Originally Posted by AntB View Post
I have a whistle under light acceleration, but I always attributed it to my K&N intake. Maybe it's a vacuum leak somewhere? Going to have my shop check everywhere anyway when I do Inspection 2, so I guess it can wait.
If I can remember correctly, the rpm jump and whistle noise could very well be a bad DISA valve.
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Ebay headers | 3.38 diff | 2.5" cat-less exhaust | K&N intake | AA stage 1 software | UUC stage 1 light flywheel and clutch | UUC Evo 3 ssk
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