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Join Date: Nov 2002
Location: Kansas City
Posts: 715
Rough idle on 325is after it warms up

Symptons: Idles fine when cold and runs well too.
Starts missing more and more as it warms up
but only at idle, as soon as revs get over 1200 it smooths out.

I suspect a vacuum leak but don't know where to start, or why it only occurs when warm.......EGR maybe??

I've recently replaced plugs, wires, cap-rotor, and adjusted the valves. None of this seemed to help any.

Thanks, Bill

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Current: 1975 911S --Chocolate brown
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1990 C2 Targa --Silver
1973 914 2.0 --Delphi Green
Old 04-03-2004, 02:25 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #1 (permalink)
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Join Date: Oct 2003
Location: NY
Posts: 93
My car has similar trouble, and so did someone else on the board. Your problem may be leaky or dirty fuel injectors; you might want to check those out. As far as the vacuum hoses, just start takin' a peek around the intake manifold....they're in plain enough sight and you're gonna be able to see any signs of failure pretty quick. Start around the throttle area, and work your way around. Good luck.

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Mike
Old 04-04-2004, 04:43 PM
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