Re: Engine stalls when cold - how I fixed it - Saab 900 Bulletin Board - Saabnet.com
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Re: Engine stalls when cold - how I fixed it
Posted by Grunff [Email] (more from Grunff) on Sun, 15 Dec 2002 17:01:31
In Reply to: Engine stalls when cold - 1991 16vT 5sp, Grunff, Sat, 14 Dec 2002 08:39:18
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In case anyone has similar problems with Lucas FI, here's what I did to fix it.
After verifying that the NTC, TPS and AIC were fine, and cleaning the AIC and throttle body, I decided to tweak the throttle plate opening using the idle adjust screw.
Opening it just a little bit seems to have fixed the problem completely. It seems that perhaps it was too closed, and relying on the AIC to provide all air for idling. The AIC didn't respond fast enough, so the engine stalled.
Having opened the trottle by a small amount, the engine now idles at ~900, and doesn't stall.
My diagnosis is purely guesswork, but it fixed my stall problem, so I'm happy.
Grunff
posted by 62.60.47...
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