Quote Originally Posted by iamwhutiam003 View Post
ever since i put those plugs in my MPG went to shyt its reading 17 and today i went to start it later and i put the key in and nothing.....then all the sudden it cranked i didnt even have dome light power....maybe shytty battery? i dont know i hope those plugs arent shyt or that my car doesnt like platinum cores.....
I would go to Autozone and get a battery/alternator check, they can do it all on the car. Check your cables for corrosion and being loose. Should be an easy day.