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Date: Fri, 17 Jul 1998 16:43:31 -0400
From: berry <debruijnnopsamuottawa.ca>
Subject: Re: 9000S Rough Idle


I have the same thing, although that's with a 900 (i, 1984, 8 valve, no turbo). When cold, it's difficult to start the car and it usually stalls three times before it really runs. When warm, the idle is okay but not perfect. The odd thing is that it began immediately after I took the battery off for a day, when I replaced the alternator. I do not think I accidentally pulled something when working on the alternator (it's a rather straightforward thing). Of course, the two events may be totally unrelated, occurring together by mere chance. I decided to keep it on hold for now, and a few days ago (three weeks later), the EXH warning light came on (only on Canadian models, I understand). This indicates that the car has done another 45.000 miles (72.000 kms) and has to have its exhaust system checked. So maybe you're right about the O2 sensor. I'll probably take it in next week and have the mechs have a look. Hope this helps, hope there's more follow-up coming. Berry Dennis Park <wild.childnopsamoot.com> wrote: >Here's the problem: >Upon starting the car, the engine will rev up to about 1,200RPM. A few >seconds later it will go down to about 200 or 100. Sometimes it will >stall. The only way I can remedy this is to step on the gas and keep a >constant RPM around 1,000 for a minute. After this,the engine stablilzes >and will not run rough for the rest of the day. The engine shakes rather >violently. I fear that I may damage it unless I remedy the problem sooner. > >Why is it that it only happens when the car has been sitting for a long >time (i.e. 5 hrs or overnight)? >There is no decrease in power while driving. Actually, it runs great with >the exception of the rough starting.

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