Violent stuttering! - Saab 900 Bulletin Board - Saabnet.com
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Violent stuttering!
Posted by arhVT (more from arhVT) on Mon, 4 Oct 2010 13:16:18
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Hey all. I just picked up a 1990 900T 5spd from a friend, for free. The car is in decent condition and all systems are go, but has a VIOLENT stutter anywhere above 2k RPM's when attempting to accelerate in any gear. I thought it may have been bad gas, so I put a tank of 93 octane and the problem went away--car accelerated beautifully without any stutters in all gears.
It feels like the fuel is being cut--then back on--then cut--violently and intermittently. I unplugged the APC unit just to see what would happen, and there was no improvement. Ideas?
I used to own a 1998 900s that I worked on a bit, but have since gotten rid of that and drive a 4runner...so I could use some help troubleshooting. I have no experience with turbo cars...especially 20 year old ones, but i am willing to learn.
Thanks in advance!
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