in fact i have just installed one of those o2 Extenders in my front o2 sensor and my car not only has idle problems but also my EGT has displayed for first time around 780 Cº of combustion temperature!! , so now may i try using EFIE?? , to be honest i dont like to much the idea of keep on playing with the air/fuel mixture, it is risky , do i have anoter alternative to start taking advantage of my hho cell??
hockeyadc 
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