ive heard alot of connections under hood get corroded.un hook em and re hook em. there is some cleaning stuff for connections.detox,progold.maybe carefully clean mass airflow sensor.an over oild k&n type filter can oil it up.ive heard oil can leak leak into center of valve cover where coils are.just some suggestions good luck keep us posted...

wheres axe or gary? those would be suggestions to look into.