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LCOX LCOX is offline
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Join Date: Dec 2009
Posts: 306
idle speed dropping way too fast car stalls

I'm trying to work through what appears to be multiple problems on a 77 cis 911.

When changing gears while I very lightly lift off the gas pedal or when I take my foot off the pedal the idle speed drops very fast ot 0 rmps and the car stalls.

I've got the air bypass screw a full 5 turns out which only helps alittle and doesn't change the idle rpm speed that much. I know this isn't the fix as well but the car is driveable as long as I feather the pedal alot to keep the idle speed from dropping fast.

Any ideas on where to start?

Thanx everyone. L
Old 01-09-2013, 05:42 PM
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