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Old 04-13-2006, 10:00 AM   #1
Scooby Specialist
Member#: 64230
Join Date: Jun 2004
Chapter/Region: NESIC
Location: Gardner, MA
2002 dirty & dented
Black & PSM

Default ECU flash for upgrades

noob question.

would it be possible to reflash the stock ecu to account for a 3" TBE and a CAI without having to get an aftermarket EM system? i know the exhaust will throw an O2 cel until i can figure out how to make that little "extension" piece for the O2 sensor... but i'm not sure if that will mess up A/F ratios and blah blah blah.. but i was putting off getting an EM system because of $$...
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Old 04-16-2006, 11:59 AM   #2
Scooby Specialist
Member#: 97577
Join Date: Oct 2005
Chapter/Region: BAIC
Location: OR->WA->TX->OR->CA
2001 IS 300


hey man... i know what you mean. im kind of reluctant to smack $800 big ones just for a reflash that will net a 10-20-30 hp diff. it just doesn't seem all that fiscally smart. ive been looking into getting a A/F ctlr. and tuning it on the street what about you?
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Old 04-16-2006, 05:01 PM   #3
Scooby Specialist
Member#: 64024
Join Date: Jun 2004
Location: truckee, ca
03 996 TT, 964 C4
salt and pepper


If you don't know what you are doing, do not try this. Spend the $650-$800 to get either an accessport or en ecutek tune. Both flash the stock ecu and will net you 20-30whp with no mods. If you decide to add mods later you don't pay the $650 - $800 again. You just pay to have it tuned or you install a base map from the accessport for free.
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Old 04-17-2006, 09:42 PM   #4
Scooby Specialist
Member#: 44623
Join Date: Oct 2003
Chapter/Region: International
Location: Geneva, CH

you can try to score an already reflashed ECUTEK ecu on the private for sale forum. If you are lucky you can find one that is already flashed to stage 2 for about $400. Take off that intake and plug in the new ecu, done.
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