Two-Five Sti-L Posted August 31, 2006 Share Posted August 31, 2006 Hi All, I just bought a LGT w/stage II and about to take the car in for emissions inspection soon, mods are STi UP, Cobb HFC DP, AP w/TDC stage II map. Should I leave the ECU in its current stage II format, or flash back to stock? I don't intend to swap back the OEM hardware regardless. Do I need to use the AP to chk for any CEL's first, and clear them if there are any? How exactly does the AP "suppress" the codes? TIA Link to comment Share on other sites More sharing options...
sutter2k Posted August 31, 2006 Share Posted August 31, 2006 Are you currently seeing a CEL? If not you should be fine. Shouldn't need to change maps unless you are worried about them joy riding. Link to comment Share on other sites More sharing options...
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