coolant level is as full as i can get it. let it run open for 5 min with a drilled therm filling till i would not take anymore...and i fouund out today that im throwing a cyl 4 misfire as well as all the egr codes from removing it....would the egr mess the engine up when removed and cause this misfire? i checked and am getting proper spark and injection pulse. engine seems to run ok stutters a bit under heavier throttle and has an idle around 700-800 prm...