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Old 02-26-2006, 10:52 PM   #1
plus plus plus
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Member#: 102013
Join Date: Dec 2005
Location: OK
Vehicle:
2002 WRX

Default how to reset ecu?

do have to disconnect the battery?
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Old 02-26-2006, 10:58 PM   #2
BigBoosting
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Join Date: Nov 2003
Chapter/Region: South East
Location: Savannah
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unplug the battery

and pump the brake pedal a few times to get rid of residual power

and if you want let it sit for a little

and thats it
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Old 02-27-2006, 01:21 PM   #3
JRSCCivic98
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^^^ Sometimes that works, sometimes it doesn't. I've had it not reset like that on me 2 times last year. Since then I've just reset it via software. Resets every time that way.
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Old 03-01-2006, 03:03 AM   #4
zaxrex
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Chapter/Region: MAIC
Location: VA near MD
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Water Injected Blue

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Try searching for Vishnu ECU reset. There is a section on the fastest way to advance the multiplier for performance gain.
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Old 03-01-2006, 08:37 AM   #5
JRSCCivic98
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^^^ Not always a good thing to do... especially in a case where the engine is having det issues from a bad tune or otherwise prior to the reset. Besides, if all is well IAM will advance within a few miles anyway. There are other things that take time to learn proper curves in the ECU tables besides the IAM in order to get perfect power and drivability from the tune on the ECU. An advanced IAM is about 25% of the entire equation.
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