G,day I am having trouble diognosing the problem with my 91 limmited sr5 4runner with 3vze v6 auto after it just shut down on Me whilst driving .I now have no check engine light so diognostics wont work.Have checked the bulb all fuses and looked for bad earths or loose wiring .have tried another computer from running 4runner.Any help or advice much apprciated.:redbrick: