Hi anyone

I just bought the Nology sparks plug by the time I order other set Denso IK20 i gap to .35 ,When last nite I installed the Denso I feel something worng when i Shift to D Idel is So rev, ,by the way i got my mc CVTtwo months ago ,
anyway i still got Nology band new for back up I took off the denso and intalled the nology I feel much better same gap is .35 but after i drove few borad my onboad PC start something wrong for the fuel gague up and down the mile 280 can be down to 260 with in 1 mile driver that wired~~anyone got nologly sparks plugs Befor like same problem?

thanks