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View Full Version : Penny in ICV trick?



Hypr5
11-02-2004, 11:56 PM
Hey guys,

I heard about the penny in the ICV to make your car idle speed correct.
I found something that fits in there, drilled the 1/4" hole and my idle speed did indeed drop from 900 rpm to 600 rpm, but after a bit of driving the car compensated for it.

Is there anything else I can do? My aftermarket chip raised the idle, but now I want it back down.

Thanks!