stumble at startup on 88 spg - Saab Performance Bulletin Board - Saabnet.com
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stumble at startup on 88 spg
Posted by lms (more from lms) on Fri, 11 Apr 2003 16:35:33
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I'm posting this on this board because of all the mods I have. The stumble started about 2 months ago. Happens when its cold only. New amm, not plugs or tune up parts, wires-magnecore, not vucumm related. RRFPR set at 3 bar, amm set at 205. It stumbles for about 5 sec then goes away and runs great. Just cleaned out TB and aic. Could it be the Ignition module that I think wasaab changed on his car and cured his prob. Or maybe rrfpr set to high?
I can't figure it out. Or would a tiny head gasket leak cause something like this? I'm reaching for anything right now. Thanks everbody!
P.S. Reguading my last post, I turned down base boost from 5.9 to 5 and car is boosting to 20 and stoping-just what I wanted. Thanks all for help on that as well.
posted by 12.7.2...
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