It'll take a good 50-100 miles IIRC to fully "relearn" everything. It
took me nearly 200, but the first 150 was on the highway on cruise
control. My assumption would be that a reset will set the computer back
to its factory defaults for timing, air/fuel mixtures, and so on. When
I reset my computer (with just a battery disconnect, but it was 30
minutes), my engine started "stronger" (richer mixture?) and seemed to
have a little more grunt than before. This, of course, settled back
down after a while, to where it had been before. The mileage for that
tank of gas was a little lower than I had been used to (about 1/2 - 1
MPG), likely due to having to relearn fuel mixtures.
MALDBNSF@aol.com wrote:
>
> When the computer is reset how can you tell it's reset? and what dose this
> realy do to the motor ? I mean how will it change the they the motor runs? I
> was wondering about this. I rest mine last night and afterwards the motor ran
> noisey. will this quite down after a while? Ithink it is just after driving
> about 12 miles.
>
> Thanks
> Don Mallett
> Fort Worth, TX, <A HREF="http://www.geocities.com/maldbnsf/">www.geocities.c
> om/maldbnsf</A>
> '00 QC 4x2 SLT+, 4.7L, 3.55 rear, 4 speed auto, H/D Service Group, K&N home
> brew air filter, Cat back Flow-Pro Dual System, Oil cooler.
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