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Old 03-22-2008, 11:22 PM   #1
Scooby Specialist
Member#: 10314
Join Date: Sep 2001
Location: St. Martin
03 WRX 325hp SOLD!
06 Jeep SRT8 - 450hp

Default what O2 sensor bypass works?

A friend of mine has a 98 Legacy and keeps damaging the rear cat. Replaced it once and recently smashed it again, but each time it gets damaged the CEL light comes on and the engine runs bad and sucks gas.

Can a 2.2k Ohm resistor work or is there a plug and play product that will work to fix the CEL light?
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Old 03-23-2008, 02:15 AM   #2
Patrick Olsen
NASIOC Supporter
Member#: 120
Join Date: Jul 1999
Chapter/Region: AKIC
Location: Where the Navy sends me...
1997 Legacy 2.5GT
1996 Impreza coupe


I have to ask - how the hell does your friend keep managing to destroy the cat?

Can't help you on fooling the ECU.
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Old 03-23-2008, 02:38 AM   #3
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Member#: 19681
Join Date: Jun 2002
Chapter/Region: RMIC
Location: Denver, CO
1998 Legacy Wagon GT


I would think it would be easier and cheaper to NOT run over things with his car. At least, that's how I'd fix a problem like that.

Oh, and I don't know how to fool the ECU either, nor do I quite understand why the car would start sucking gas just because of a failing 3rd cat.
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