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Old 03-07-2005, 06:09 AM
rgouette rgouette is offline
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Location: Maine
Join Date: Mar 2005
Posts: 11
Mein Auto: 1987 325
hmmm, welll maybe not exactly 'fixed'....

Originally Posted by rgouette
Just bought the car, & it had that notorious surging/revving problem where after reaching operating temperature, the engine would rev between around 900 & 1500 RPM.

I bravely(perhaps foolishly) decided to try adjusting the Idle Air Stabalizer Valve screw (remembering where & how much I was turning) & I found that with 2 turnsclockwise(into the body of the valve) the engine is now settled around 900 RPM.
Much better I think than that other buisines!
I hope it stays!

This morning it seems to still surge, but not quite so bad.
Guess I'll be digging in more. ECU?
I haven't changed basic stuff yet, like plugs, cap, & even the air filter so guess I'll
hold offf on positive results till I change that stuff.

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