A4 (B5 Platform) Discussion Discussion forum for the B5 Audi A4 produced from 1995-2001 B5 FAQ

rough idle problems

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Old 10-27-2002, 07:18 AM
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Default rough idle problems

Hey i got a 98 30v 5speed.
I am having problems with somewhat of a rough idle sometimes. The car feels like it is shaking just too much sometimes when the engine is idling. Sometimes, i can even give it a LITTLE gas and bring the rpm's to about 1500 in neutral and it actually feels like there is less engine movement and shakyness. I JUST had the engine mount replaced by the dealer under warranty, so i dont think that could be the problem. any ideas people?
thanks
connor
Old 10-27-2002, 07:31 AM
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Default the front snub mount? replaced with an oem part I take it. I know ppl who have gone to an

aftermarket snub mount can encounter vibration issues at idle due to bad alignment, but the stock snub mounts are rubber/foam whatever and are softer and are designed to prevent vibration.. Take it back sicne it's under warranty.
Old 10-27-2002, 08:22 AM
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Default I don't know why, my 30v does the same thing. Stuff on the passenger seat will shake a little..

Feels like a V8 with a big cam. My friend's S4 with only 9k miles idled very similarly, so it must have somethign to do with the way the 90degree V fires..
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