Site News - 1/3 Member of the Year: DougM
Date: Sun, 04 Sep 2005 21:44:53 GMT
From: Malcolm William Mason <mwm1(spam)nospamedu>
Subject: Re: Re: Calibrating Turbocharger

On Sun, 4 Sep 2005 18:25:07 +0200, "Henrik B." <> wrote: > >"Malcolm William Mason" <mwm1(spam)nospamedu> skrev i en meddelelse >news:nilkh1tdk2ggd4qt0vb2si6vmkldfodpvdnospamcom... > >> This was the reply: >> "You find a longer steep hill. In 4. or 5. gear, drive with full >> throttle in >> the range from 2,500 - 3,500 rpm. Do this 3 or 4 times. The adaption >> takes >> place within 2,750 and 3,250 rpm. You need for the car to stay within >> that >> rpm-range for at least 4 seconds. >> >> If you do nothing, the adaption will take automatically, but will need a >> longer time." >> >> >> What is being accomplished here? I do not understand what is going on. > >Hi Malcolm. > >Your car has Saab's Trionic enginemanagement. This is one of the worlds most >advanced engine control systems. It's an adaptive systems, which means it >constantly "learns/reads" the driving conditions: Air temp (and moisture), >hills/mountains, speed a.s.o. > >If you for whatever reason disconnect the battery, the Trionic will reset to >standard values. Once you start driving again, the Trionic needs to learn >the driving conditions at new. This takes some time, where you might >experience decreased performance. You can speed up the process, by doing as >mentioned. > >Do you get it? Hi Henrik,, I am still bewildered. What does it have to "learn" that is not pre-set at the factory? By the way , do you have any idea as to what speed the auto will be at during a full throttle down hill 5th gear 3500 revs run? Thanks Malcolm

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