spider idle surges

[Mastro Motors-Alfa Romeo and Subaru Parts & Service <mastro@domain.elided>]

> Date: Mon, 21 Feb 2000 14:53:16 -0500
> From: "Robert Strause" <rdstrause@domain.elided>
> Subject: idle surge
> 
> Hi folks,
> 
> Question for you all re: my '91 Spider.  It runs great.  It does something
> annoying though in that it surges at idle.  When cold, it idles relatively
> smoothly at 1k.  Once warm though it falls from 1k to 500 and oscillates
> back and forth.  Never stalls, but threatens to now and then.  Its annoying
> as heck, especially when stopped at a light and other drivers look at you as
> if your cars falling apart.  Mechanic says its normal for a fuel injected
> Spider, but I don't believe it.
> 
> Anyone no otherwise ?

 First find a new mechanic. Second, remove and clean the the
Idle control motor on the intake with brake cleaner or
Gumout and then lube with light lube spray, NOT WD-40, which
is detrimental to rubber. That should solve the surge,
also confirm that the intake hose has no rips...

Enjoy
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