A4 (B6 Platform) Discussion Discussion forum for the B6 Audi A4 produced from 2002-2005

Unexplained RPM Spikes/Power Lag

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Old 07-15-2011, 06:03 AM
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Default Unexplained RPM Spikes/Power Lag

I have a 2004 A4 with a manual transmission and 90K miles. Recently, I've noticed that sometimes when I'm in 3rd, 4th, or 5th gear, and I step on the gas, the engine will temporarily rev up (a spike of maybe 500 rpms) without any commensurate acceleration. The rpm needle then drops back, and eventually I get the acceleration. My apologies for the awkward explanation -- I don't know how else to describe this.
Old 07-16-2011, 06:59 AM
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Could be the clutch slipping slightly or the dual mass flywheel is failing. Do you get any clunking noise when you engage the clutch?
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