Originally Posted by Panoz
I'm still using a good old pre-29.2 firmware on my ECU and i dont want to change it (by any means). Shouldn't I do the harness update?
What could go wrong , given I have anyway the O2 setting at 100% , allowing the auto-canclear to do the job ???
If you are not running the o2 modifier, I recommend updating the harness. You will probably get better fuel economy.