After less then 400 miles, engine has a miss and the ck E light is flashing, was running great,but bamm a bad miss and the light is flashing, what the heck, thats how the other motor self destucted at 70,000, Maybe a blown head gasket ??? or what...Mel

 

Welcome to the forum.
That sounds more like an ignition problem. Probably a plug, plug wire or coil pack. Did you check the plug wires to make sure they were snapped on th eplugs and coil packs good?