Date: Sat, 6 Feb 1999 19:23:06 -0700 From: "Ronald M Friesen" <RFRIESENnopsamigy.net> Subject: Re: cold start question
Mark Sempers wrote in message <36B96EF5.A63AE312nopsamorg.com>... >Just an off-the-cuff thought... check for the lambda pre-heat (if you >have lambda) - mine exhibited similar symptoms (which didn't go away) >when I forgot to plug the lambda back in after some work (Doh!) > >Also worth checking the air mass meter's connection / using some contact >cleaner on this. I think my Saab tech sprayed some carb cleaner on my air mass meter wire when my 87 900S was rpm hunting (roving from 200rpms to 1200). Cured it. Ron > >- Mark. > >tchapin-notnopsams.edu wrote: >> >> Hello. My 86 900 with 125k miles on it has been exihibiting a strange >> behavior on startup in cold weather. The thing is, it does not always happen, and >> the severity is not constant as well. >> >> The car usually starts on the first try. After started, the engine begins >> to "pulse" (I can't think of a better term at the moment.). Usually this lasts >> around 3 - 5 minutes or so. The engine cycles from 1000 rpm to 200-3000 rpm. >> Then, at some point, the car starts to run normally. Occassionally, the car stalls >> out during this process, but not always.
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