sparkplugs

just changed my spark plugs to some PULSE PLUGS, and my check engine light is on. Is there something wrong with these plugs or did i do something wrong? all i did was replace them, no special instruction req? any advice? please help. Edub AKA Ebub

I bought a set of 10 E3 spark plugs put into my supercharged SRT 10 (i made a mistake, no need to make me feel worse). 2 of the "cages" on the plugs have shattered and caused damage to the valves and the cylinder. I emailed E3 about this and they said, for all intents and purposes, "Your bad...