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Originally Posted by ted1
I have replaced the battery with a new one, and still have the same problem, so at least in my case, recharging the battery wouldn't do it.
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Sometimes it will, sometimes it won't.
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Originally Posted by ted1
Also, regarding the last post about "magic reset", how would this differ from just removing the negative lead at the battery? I don't see how the car would know the difference, though I'll give it a try. My battery was already out of the car for a day, so I expect it would have had the same effect.
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It wouldn't differ as a "magic reset" is basically removing the negative lead. It would have the same effect as removing the battery. Basically, the post mentions that what it's doing is making all the computer and memory settings lose their memory and the car essentially has to relearn everything. Like I said above, sometimes it will work, sometimes it won't.
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Originally Posted by ted1
I didn't see anything about the reset taking care of the nav and radio problems addressed in this thread, is that something from your own experience?
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A lot of electrical "gremlins" have been taken care of due to low voltage in cars. For instance, on my 1990 E32 V12, if the battery has 11.6V, I'm dead in the water. Car will not start. 11.7V, there's a good chance I'll get it started. An old battery won't help either, even if you do give it a good charge.
So, is this something from my own experience? Well, yes and no. I didn't "discover" the 'magic reset', but I have used it a few times to diagnose certain problems. For instance, after a reset, my car runs smooth...so smooth in fact, it scares me. After about 300kms, it starts running a little differently...that's when I knew it was the O2 sensors, because the ECU has forgotten the previous readings and has now relearned them after 300km. Changed them out, did another reset, et voila, going on 2500kms and not a peep.
The old adage, "it never hurts to try." That's why I posted it.