Also check the three wires that run from the ignitor across the valve cover for breaks. They have a tendancy to get brittle and crack. I had the same symptoms and got grey hair trying to figure out what went wrong. Found that one wire was broken <img border="0" title="" alt="[Embarrassed]" src="images/icons/blush.gif" />
Danny


1985 SR5 4Runner
eLocked with Carter Lock
4.7:1 single case
Davez Offroad twin stick