'97 Aero Acceleration Issue - Saab 9000 Bulletin Board - Saabnet.com
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'97 Aero Acceleration Issue
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Posted by Joseph Hoh (more from Joseph Hoh) on Fri, 2 Nov 2001 00:31:45 Share Post by Email
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I am not very savvy when it comes to cars, but I will try to include as much information as I believe is pertinent.

I have a '97 Saab Aero 2.3L Turbo Automatic with 82,000 miles.

Issue (about 2 weeks old):
When cruising in 3rd or 4th gear (40-60 mph), and I punch the gas, the turbo indicator goes just into the yellow/red alternating area (never above), and the vehicle stutters briefly, but continuously. If I am in 4th gear, the problem occurs when it downshifts into 3rd. If I am in third, I really need to punch it for the stuttering to happen.

Additional info:
- I still am able to accelerate quickly, but until I ease off the gas and the turbo indicator reads 3/4 yellow, the stuttering continues.
- I use premium gas, clean air filter, regular oil changes.
- The problem NEVER occurs while accelerating while in 1st or 2nd.
- My turbo indicator NEVER, NEVER, NEVER reaches into the solid red (and rarely, if ever, deep into the yellow/red alternating bars).
- In April, I had the head gasket, radiator, and AC control unit replaced.
- After parking, I notice that my radiator fan is blowing, even though the temperature indicator NEVER, NEVER, NEVER reaches the horizontal position or higher.
- I just had my alternator replaced as a result of diagnosing an issue where my radiator fan stayed on all day and drained my battery.

From reading posts, it could be:
APC valve? Wastegate? Spark Plugs? Distributor? Transmission?

I have little faith in my dealer (Just Saab, East - Cincinnati, OH). I reported the problem at the same time as I had the alternator replaced, and they returned the car as fixed, but the problem presented itself within 2 miles of the dealer.

Please help!

Joseph Hoh
jhoh@gaic.com or jhoh@zoomtown.com

posted by 66.161.16...

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