Pedal pot sticking? - Saab 9000 Bulletin Board - Saabnet.com
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Pedal pot sticking?
Posted by BillJ (more from BillJ) on Tue, 20 Feb 2001 15:42:18
In Reply to: 92 9000 Turbo TCS Light and Hesitation/Stalling, Jamie Kelley, Tue, 20 Feb 2001 15:13:07
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On early TCS systems (mine was a '91 model), a known problem was the pedal potentiometer fouling in its plastic housing. The official Saab remedy: modify the housing with a heat gun! I had this problem, and although the dealer told me it was a known issue, they still took 1 1/2 days to diagnose it.
The symptoms of this would be as you describe when the TCS light comes on, but would happen when you release the throttle (the potentiometer does not return to zero as it should). A dealer with the correct diagnostic tool would see stored error codes indicating "incorrect potentiometer voltage".
I'm not sure this would cause a hesitation, though.
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