Date: Wed, 27 Mar 2002 22:48:36 +0100 From: "Johan Beikes" <j.beikesnopsamdoo.nl> Subject: Re: 1990 900s will not start
Right...Hopefully my info will be usefull to some European drivers. Johan KeithG <noonenopsamhlink.net> schreef in berichtnieuws a7so6a$453$1nopsam9.atl.mindspring.net... > Actually, I think it should be a LH2.4 as it is a US email address and the > last year for a base model 8V here was 1988. The S model had 16V since '85 > or '86 (I think). I would suggest turning to www.thesaabnet.com and getting > on the c900 bulletin board there. It sounds like a mad Air Mass Meter to me, > but it would be best to rule out other things first. The o2 sensor cannot > have this much effect on fueling, but the AMM can. A simple, preliminary > check to make would be to remove the bolts and clean the connections on the > head near the distributor. These 2 connection points form the ground for the > fuel injection system. Remove the bolt, clean and put a bit of electrical > connection grease to ensure a good connection. Do this one at a time and > make sure that the connections remain with the proper bolt. Make sure that > the ground connection on the front of the transmission to the battery is > good. This forms the only ground connection for the engine. Other than that, > look here: > > http://216.78.172.244/engine_folder/nostart24.htm > > KeithG > > "Johan Beikes" <j.beikesnopsamdoo.nl> wrote in message > news:a7qsui$29rq$1nopsamenger.euro.net... > > As you describe it, i assume your car has the Bosch K-jetronic injection > > system. It seems that your mixture adjustment is way out. > > I had the same pronblem with my 900 T8 and following the repair manual > > instructions by setting a base adjustment, didn't work at all. What i then > > did was turning the mixture screw (located between the air-intake and the > > mixture control unit) fully anti-clockwise (lean mixture) and then start > > turning it clockwise by half a turn. After each half a turn, i started the > > engine, until i hit the point where the engine would run, although very > > rough. From there i only applied one sixth of a turn (be careful, the > > adjustment is VERY sensitive). By doing so, i managed to get a smoothly > > running engine again. > > Before you start this procedure, make sure that you feel no resistance, > when > > lifting the airflow sensor plate. The slightest resistance is already > > causing problems. If so, adjust the airflow sensorplate to the centre and > > see to it that the plunger in the mixture control unit is free from > > resistance (clean it with petrol, if necessary). > > > > I hope this helps. Good luck. > > Johan > > > > Jared Talarico <Marsh.hawknopsamzon.net> schreef in berichtnieuws > > 8YOn8.5329$n%1.1042nopsamdc03.gnilink.net... > > > We bought a used 1990 900 s [non turbo] with 177,000 miles. I have had > to > > > replace the trans. the car ran great for one day. Then the car died > and > > I > > > replaced the fuel filter. It then ran rough and the injector > connections > > > were corroded so I cleaned them up. It then ran good for about one > month. > > > It gets lousy gas mileage [13 mpg ] and seems to be running rich...heavy > > > carbon build up on exhaust and spark plugs...so I was going to replace > the > > > O2 sensor [on the advice of people in a forum which I described the gas > > > problem to]. Before I could install the sensor the car stopped running > > > again. I went ahead and replaced the sensor but still will not start. > It > > > turns over but only on occasion will it seem to "fire". I can smell the > > > fuel and either does not start it. The spark plugs are firing. The > last > > > time it ran it was running rough, like when the injector connection was > > > corroded, it corrected it self ran well for a while and then repeated > > this > > > untill it was just chugging. Now it won't start. Any ideas as to what > it > > > could be? If you need more info just ask > > > > > > > > > > > >
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