Date: Sat, 30 Jan 1999 22:55:36 GMT From: vlckonopsamll.net (Tom ) Subject: Re: 1989 9000S problem - really stumped!
Again thanks to all who gave me good advice. We finally found that replacing the MAF and correcting a high resistance problem in the wiring harness was the solution. Runs better than it has in a long time, hopefully for another 140000 miles. Everybody, thanks again. Tom On Wed, 27 Jan 1999 17:55:48 GMT, vlckonopsamll.net (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