i have had my car for a while it has a 3.4 pulley with colder plugs and 180 stat. it has a full k&n intake with a u bend delete and resonator delete also. but my car when im racing once i hit 80 85 it will like cut out but then jsut keep going, my car says i need an o2 sensor and thats al lthat pops up. will this cause my car to do that or is that kr?