Revving to high after flat battery - Subaru WRX Forum
 
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post #1 of 3 Old 01-15-2012, 04:42 AM Thread Starter
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Revving to high after flat battery

I have been away for a week and when I returned my 2004 WRX had a flat battery. I charged the battery and now the car starts with no dramas at all however the idle revs are 2,000 rpm. Does anyone know what could be the problem and how I can fix it?
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post #2 of 3 Old 01-16-2012, 06:58 AM
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Try to plop another battery in it to see if it still does it. Did you take the battery to get tested?

There is a reason the battery went dead (faulty alternator perhaps)

Paul
2002 WRX Sold
2007 WRX Sold
2007 STi totaled
2007 Foz XT sold
2007 MS3
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post #3 of 3 Old 01-16-2012, 10:26 AM
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More than likely your car is reving high because your ECU lost all of its realtime map data and its re-learning. It should happen the first time you drive it, but if it does it every day for the next couple of days then you have a problem.

Kirt
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"When in doubt...flat out" - Colin McRae
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