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Old 12-04-2004, 09:49 AM   #1
mainerex
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Join Date: Sep 2004
Location: maine
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2002 wrx stage4+
psm

Default disconnect battery

i just got a stage 4 car with a utec and am going to change battery will this affect my map will i lose it thanks
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Old 12-04-2004, 10:00 AM   #2
Trunk_Monkey
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Interested in this info too.
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Old 12-04-2004, 11:34 AM   #3
skyhawk
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You will probably get more responses asking this question in the engine management forum.
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Old 12-05-2004, 12:17 AM   #4
Uncle Scotty
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....oh W O W.....
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Old 12-05-2004, 12:18 AM   #5
Uncle Scotty
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....do you REALLY think that the people who designed the UTEC would have been so stupid as to NOT think of this when it was designed....???


....really...???
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Old 12-05-2004, 07:26 AM   #6
mainerex
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psm

Default sorry

im new to the import cars but i thought maybe by putting this in the newbe section i could get a response without someone bagging on me, guess not. ive built about twenty streetrods and muscle cars but thought id go for something diffrent seemed like the import crowd was agood bunch maybe i was wrong.
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Old 12-05-2004, 07:43 AM   #7
wrx plus
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Quote:
Originally Posted by mainerex
im new to the import cars but i thought maybe by putting this in the newbe section i could get a response without someone bagging on me, guess not. ive built about twenty streetrods and muscle cars but thought id go for something diffrent seemed like the import crowd was agood bunch maybe i was wrong.
No your not wrong, unclescotty gets a little carried away sometimes, he has a wealth of good info and sometimes forgets that people new to this forum and subarus in general still have to learn the simple stuff that he thinks everyone should already know.
I also shifted over from the domestic hotrod scene, and have not regreted it! You'll find that some of the old school info translates over to the imports very well
On your UTEC, disconnect the battery prior to charging. You won't loose any info from the UTEC, it will however reset your factory ECU, so for a couple hundred miles the stock ECU will be relearning, which is not a bad thing.

Kent
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Old 12-05-2004, 07:48 AM   #8
2002pete
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Changed my battery last week with no problems, disconnect negative first, Connect battery in reverse order.


Pete.

Last edited by 2002pete; 12-05-2004 at 07:58 AM.
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Old 12-05-2004, 08:17 AM   #9
STIr
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Quote:
Originally Posted by Uncle Scotty
....do you REALLY think that the people who designed the UTEC would have been so stupid as to NOT think of this when it was designed....???


....really...???
Uncle Scotty, under your name I see the legend 'guru'.
A guru is a leader, teacher, sage or guide.
Please try to live up to your legend

Last edited by STIr; 12-05-2004 at 08:50 AM.
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Old 12-06-2004, 10:10 AM   #10
Subie Gal
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okay let's try this again..

this time without the OT B.S. - keep that crap in OT

It's quite obvious that some of you guys
have easily forgotten what it's like to be new to these cars

there is a lot of information some of us enthusiasts actually have to share with those who are new to the scene - if you're not interested in doing anything other than mocking the newbies.... stay in OT....
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Old 12-06-2004, 10:19 AM   #11
Uncle Scotty
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Sorry Jamie.....Uncle loves everybody....
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Old 12-06-2004, 10:20 AM   #12
Mulder
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Remember- Santa reads these forums-
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Old 12-06-2004, 10:27 AM   #13
Uncle Scotty
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Quote:
Originally Posted by Mulder
Remember- Santa reads these forums-

Uncle already knows that all he ever gets is a lump of coal and a bundle of straw, anyway......
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Old 12-06-2004, 10:47 AM   #14
Davenow
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Quote:
Originally Posted by Subie Gal
okay let's try this again..

this time without the OT B.S. - keep that crap in OT




Sorry I couldnt resist.

/Sits patiently waiting for his tool point from teh Gal
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Old 12-06-2004, 11:42 AM   #15
Leonardo
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Quote:
Originally Posted by Mulder
Remember- Santa reads these forums-

He's not the only one!
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Old 12-06-2004, 11:48 AM   #16
Calamity Jesus
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Quote:
Originally Posted by Uncle Scotty
Uncle already knows that all he ever gets is a lump of coal and a bundle of straw, anyway......
Bundle of straw??? You get a bundle of straw??

I'm getting ripped off!!

Mainerex, what battery you dropping in there?
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Old 12-06-2004, 02:06 PM   #17
satrya
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Quote:
Originally Posted by mainerex
..seemed like the import crowd was agood bunch maybe i was wrong.
Personally, I don't believe there is a general stereotype of any particular "crowd" being "a good bunch" or otherwise. NASIOC is a large forum with a large body member. I wouldn't find it surprising to read responses with different personality.

Imho, a question about the utec map being reset when power is disconnected would make the manufacturer seem rather silly / irresponsible, thus it would be highly unlikely. However, without knowing which kind of information is stored in volatile or non-volatile memory, I can see why someone might want to be extra safe and ask this question. After all, we know that some of the ECU parameters get reset when power is disconnected. One might wonder whether the map is treated the same way by some aftermarket engine management manufacturer or not. It would be silly to do so, but that doesn't mean it can't be done that way.

Regardless, I believe that NASIOC is a very good medium for getting information about Subarus in general.

my 2 cents
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