Date: Fri, 29 Jan 1999 05:21:39 GMT From: Riff <turbospgnopsamsouth.net> Subject: Re: 1989 9000S problem - really stumped!
auto? or 5 speed? Mark Vern Davison wrote: > > Tom, I hate to ask this, because it brings back some > embarassing memories, but, have you checked the air > filter? a clogged one would make it run rich no? > Seems like fundamentals always get me in these situations. > > -V > > Tom wrote: > > > > 1989 9000S 140000 miles > > Stalls under no throttle, such as when coasting up to a stop sign, > > etc. Under constant throttle, runs fine. On the highway when you > > allow it to coast and then accelerate, there is a short jerk, then the > > car accelerates OK. > > Running very rich, injection time is 12ms instead of around 3 ms. > > My SAAB guru and I are both stumped since he has run all the > > diagnostics he can and they all say the car is running fine. Switched > > controller units, same problem. Can't believe that 2 units would > > produce the same fault. All mechanicals, such as timing, plugs, > > compression, are OK. Could find no shorts, etc. in the wiring > > harnesses. All suggestions welcomed because we are stumped. > > TIA, Tom
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