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| 12-03-2011, 03:32 PM | #1 |
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O! So Sour!!
552
Rep 15,615
Posts
Drives: Fast 240z / Slow M3
Join Date: Apr 2007
Location: 'Merica!
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Revs dropping slowly
So i noticed that when I rev up the car in neutral (to 2-2.5K) it drops slowly past 1.5 to below 1K, almost hangs there for a bit then back down to idle. Anyone know whats causing this? ICV going bad?
Also noticed a muffled low puff/pop/knock(?) sound coming from drivers side fender when hood is open, can also barely hear it in the cabin, that happens at random intervals like those MY11's with the ticking noise. Not a metallic tick or knock but more puffish...anyone else hear this in their cars?
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