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Any indies in your area?
Posted by David Ingram (more from David Ingram) on Sat, 29 Aug 2009 21:53:59
In Reply to: Re: Yet Another TCS/ETS Problem, Markus Dantinne, Sat, 29 Aug 2009 17:46:56
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The baselining/calibration procedure may be the key for you. Consider that when you replace a throttle or pedal pot, there are minute variances in the characteristics of each part. Baselining is a procedure whereby the ECU is given the chance to measure the specific characteristics of each component, and determine for example when the pedal pot is at zero throttle and how that compares to when the TB is at zero throttle.
Without this baseline, the ECU can't know how to relate the pedal pot signal to the TB signal, and everything's out of sorts. In fact, the official party line is that if you replace the TB, you MUST perform the baseline/calibration procedure or it's possible to fry the new TB. This is because the system may overwork the TB because it still thinks the old one (and its particular characteristics) is still present.
As it was explained to me by Saab's tech trainer, very often a new TB is added and the baseline/calibration procedure is skipped with no ill effects, but often the new TB gets cooked if proper steps aren't followed.
At the very least, I'd say see if you can get someone competent to run the basic baseline/calibration and see what happens.
posted by 71.235.8...
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