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Not at all... (sigh...again) Help everyone...
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Posted by JustinHiFi [Email] (#829) [Profile/Gallery] (more from JustinHiFi) on Wed, 16 Oct 2002 13:31:37 Share Post by Email
In Reply to: Hey JustinHiFi, Camm [Profile/Gallery] , Wed, 16 Oct 2002 12:30:04
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1991 900S 2.1L 138k 2.4.2EZK Ignition
I did basically the exact same as you in the past 3 days. Replaced the TPS, Coolant Temp, Knock Sensor, and AMM with all brand new parts...egh ($$) anyway, the o2 is testing wonderful (only a year old). Checked and replaced all vaccuum hoses as well. AIC and throttle spotless.

I went out two days ago in the evening, after it was sitting for over 36 hours, air temp outside was around 38deg F. It ran wonderful! Only a VERY small studder when shifting to 2nd for the first time, when applying throttle. After that, it ran like a top! Then yesterday afternoon, I went out to go to the store, it ran like complete shit. The entire way there, it was "towing a trailer" and would not clear up. Only at times, would the power come back, then it would be gone!

Went out there today, about an hour ago to give it a try. On itial startup things idled perfect. I then applyed full throttle in N, (without going anywhere, and after about 10-15sec of running time from start) and it would spit and studder..and would not go over 3k. After another attempt, it would slowly increse in speed (floored) but continued to stutter all the way up past 3k or so. Given another minute of ifle time, it reved perfect, but was hunting for idle when off the throttle!! It would go to 1500, then down to 500ish, then back up and down....Went on for 15 seconds, then began to plane out at 850 or so...perfect.

I have another ECU comming from TN (shipped yesterday) and am going to try that as a last report at this point.

I am at the point where i do not know what the hell to do!

Anyone have advice???

JustinHiFi
'91 900S

posted by 206.244.6...
_______________________________________
JustinHiFi
Strictly Saab Inc.
Melbourne, FL

Current:
-1991 900 S-PG MT
-2001 9-5 Wagon AT
-2006 9-3 SS AT

Past:
-1964 96 2-Smoke MT
-1967 96 v4 MT
-1983 900 Turbo MT
-1985 900 SPG MT
-1988 9000 Turbo Black MT
-1988 9000 Turbo White AT
-1990 900 SPG Red MT
-1990 900 SPG Black MT 
-1991 9000 Turbo MT
-1991 900 SPG Red MT
-1992 9000 Griffin AT 
-2000 9-5 Aero Sedan MT
-2001 9-5 Aero Wagon MT
-2008 9-3 2.0T Sedan AT
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