keithk831 Posted July 26, 2011 Share Posted July 26, 2011 Returning my stage 2 setup back to stock, except i'm keeping the STi catless uppipe on the car. Which DTC(s) should stay disabled when I flash the stock map back onto it? Here are the codes I have disabled for Stage 2: 0420 0545 0546 1312 1544 Thanks! Link to comment Share on other sites More sharing options...
fahr_side Posted July 26, 2011 Share Posted July 26, 2011 I usually only disable P0420. Works for me... Obligatory '[URL="http://legacygt.com/forums/showthread.php/2008-gh8-238668.html?t=238668"]build thread[/URL]' Increased capacity to 2.7 liters, still turbo, but no longer need spark plugs. Link to comment Share on other sites More sharing options...
keithk831 Posted July 26, 2011 Author Share Posted July 26, 2011 I usually only disable P0420. Works for me... So that's the only uppipe code, then? Link to comment Share on other sites More sharing options...
fahr_side Posted July 26, 2011 Share Posted July 26, 2011 So that's the only uppipe code, then? No, that's the cat efficiency code... the last O2 sensor that sniffs and makes sure something has changed since the gas went through the cats. Rear O2 Cat Efficiency. Obligatory '[URL="http://legacygt.com/forums/showthread.php/2008-gh8-238668.html?t=238668"]build thread[/URL]' Increased capacity to 2.7 liters, still turbo, but no longer need spark plugs. Link to comment Share on other sites More sharing options...
keithk831 Posted July 26, 2011 Author Share Posted July 26, 2011 Anyone know which one is the Uppipe sensor code? Link to comment Share on other sites More sharing options...
compsurge Posted July 26, 2011 Share Posted July 26, 2011 There isn't one. There is only one sensor after the uppipe and that is the rear 02 sensor (P0420). Nothing else can get triggered. Link to comment Share on other sites More sharing options...
SSpeed Posted July 26, 2011 Share Posted July 26, 2011 '05 has an uppipe EGT code... let me search quick.. EDIT: Here you go... http://legacygt.com/forums/showthread.php/sti-uppipe-and-cel-8350.html Link to comment Share on other sites More sharing options...
compsurge Posted July 26, 2011 Share Posted July 26, 2011 Ohhh the EGT code... I thought you'd have resistor tricked it Link to comment Share on other sites More sharing options...
keithk831 Posted July 26, 2011 Author Share Posted July 26, 2011 Thanks. I know about the resistor fix, but I just want to disable it inside the ROM. Link to comment Share on other sites More sharing options...
keithk831 Posted July 26, 2011 Author Share Posted July 26, 2011 I just disabled those codes when I went stage 2. Now that I'm going back to stock and keeping the catted uppipe off the car, I just need to know which of those to disable. Link to comment Share on other sites More sharing options...
compsurge Posted July 27, 2011 Share Posted July 27, 2011 http://legacygt.com/forums/showthread.php/trouble-codes-cels-26113.html P0545 P0546 Link to comment Share on other sites More sharing options...
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